PUBLICATIONS

# Type Authors Title Journal Year Status
SCIE A. Nauman, M. A. Jamshed, R. Ali, and S. W. Kim Reinforcement learning-enabled intelligent device-to-device (I-D2D) communication in narrowband Internet of Things (NB-IoT) IEEE Internet of Things Journal 2020 Submitted
SCIE W. Amin, F. Hussain, S. Anjum, S. Khan, N. K. Baloch, Z. Nain, and S. W. Kim Performance evaluation of application mapping approaches for Network-on-Chip designs IEEE Access 2020 Submitted
SCIE Z. Nain, R. Ali, S. Anjum, M. K. Afzal, and S. W. Kim A network adaptive fault-tolerant routing algorithm for throughput and latency critical Network-on-Chip architectures IEEE Transactions on Very Large Scale Integration Systems 2020 Submitted
SCIE M. A. Shafique, N. K. Baloch, M. I. Baig, F. Hussain, Y. B. Zikria, and S. W. Kim NoCGuard: The reliable network-on-chip router architecture MDPI Electronics 2019 Submitted
SCIE R. Gupta, S. Tanwar, F. A. Turjman, P. Italiya, A. Nauman, and S. W. Kim Smart contract privacy protection using AI: Tools, techniques and challenges IEEE Access 2019 Submitted
SCIE A. Saleem, M. K. Afzal, M. Ateeq, S. W. Kim, and Y. B. Zikria Intelligent learning automata-based objective function in RPL for IoT ELSEIVER Sustainable Cities and Society 2019 Submitted
SCIE Y. A. Qadri, A. Nauman, Y. B. Zikria, A. V. Vasilakos, and S. W. Kim The Future of Healthcare Internet of Things: A Survey of Emerging Technologies IEEE Communications Surveys and Tutorials 2020 Early Access
SCIE M. Ibrahim, N. K. Baloch, S. Ajnum, Y. B. Zikria, and S. W. Kim An energy efficient and low overhead fault mitigation technique for IoT edge devices reliable on chip communication WILEY Software: Practice and Experience 2019 Early View
SCIE A. Musaddiq, Y. B. Zikria, Zulqarnain, and S. W. Kim Routing protocol for low-power and lossy networks for heterogeneous traffic network EURASIP Journal on Wireless Communications and Networking 2019 Published
SCIE A. Nauman, Y. A. Qadri, M. Amjad, Y. B. Zikria, M. K. Afzal, and S. W. Kim Multimedia Internet of Things: A Comprehensive Survey IEEE ACCESS 2019 Published
SCIE Y. A. Qadri, R. Ali, A. Musaddiq, F. A. Turjman, D. W. Kim, and S. W. Kim The limitations in the state-of-the-art counter-measures against the security threats in H-IoT Springer Cluster Computing 2020 Published
SCIE R. Ali, B. Kim, S. W. Kim, H. S. Kim, and F. Ishmanov (ReLBT): A Reinforcement learning-enabled listen before talk mechanism for LAA-WiFi coexistence in IoT ELSEVIER Computer Communications 2020 Published
SCIE Z. Ali, S. Henna, A. Akhunzada, M. Raza, and S. W. Kim Performance evaluation of LoRaWAN for green Internet of Things IEEE Access 2019 Published
SCIE R. Ali, A. Nauman, Y. B. Zikria, B. Kim, and S. W. Kim Performance optimization of QoS-supported dense WLANs using machine-learning-enabled enhanced distributed channel access (MEDCA) mechanism SPRINGER Neural Computing and Applications 2019 Published
SCIE Y. Meng, M. A. Naeem, R. Ali, Y. B. Zikria, and S. W. Kim DCS: Distributed caching strategy at the edge of vehicular sensor networks in information centric networking MDPI Sensors 2019 Published
SCIE B. Kim, S. W. Kim, C. Zhang, Y. Guo, and T. Umer Emerging technologies for future sensor networks-Selected papers from ICGHIT 2019 MDPI Sensors 2019 Published
SCIE R. Ali, Y. A. Qadri, Y. B. Zikria, T. Umer, B. Kim, and S. W. Kim Q-learning-enabled channel access in next-generation dense wireless networks for IoT-based eHealth systems EURASIP Journal on Wireless Communications and Networking 2019 Published
SCIE F. Al-Turjman, E. Ever, Y. B. Zikria, S. W. Kim, and A. Elmahgoubi SAHCI: Scheduling approach for heterogeneous content centric IoT applications IEEE Access 2019 Published
SCIE R. Bajracharya, R. Shrestha, and S. W. Kim Q-learning based fair and efficient coexistence of LTE in unlicensed band MDPI Sensors 2019 Published
SCIE M. U. Younus, S. U. Islam, and S. W. Kim Proposition and real-time implementation of energy-aware routing protocol for software defined wireless sensor network MDPI Sensors 2019 Published
SCIE I. Ullah, B. Raza, A. K. Malik, M. Imran, S. Islam, and S. W. Kim A churn prediction model using random forest: Analysis of machine learning techniques for churn prediction and factor identification in telecom sector IEEE Access 2019 Published
SCIE N. Shahin, R. Ali, S. W. Kim and Y. Kim Cognitive backoff mechanism for IEEE802.11ax high-efficiency WLANs Journal of Communications and Networks 2019 Published
SCIE Y. B. Zikria, S. W. Kim, O. Hahm, M. K.l Afzal, and M. Y. Aalsalem Internet of Things (IoT) operating systems management: Opportunities, challenges, and solution KICS Journal of Communications and Networks 2019 Published
SCIE R. Ali, N. Shahin, Y. B. Zikria, B. Kim, and S. W. Kim Deep Reinforcement Learning Paradigm for Performance Optimization of Channel Observation–Based MAC Protocols in Dense WLANs IEEE Access 2018 Published
SCIE M. K. Afzal, R. Ullah, B. Kim, and S. W. Kim A reliable and scalable groupcast block acknowledgement scheme for video multicast over IEEE 802.11aa IOS Journal of Intelligent and Fuzzy Systems 2018 Published
SCIE R. Bajracharya, R. Shrestha, R. Ali, A. Musaddiq, and S. W. Kim LWA in 5G: State-of-the-art architecture, opportunities, and research challenges IEEE Communications Magazine 2018 Published
SCIE R. Bajracharya, R. Shrestha, and S. W. Kim An Admission Control Mechanism for 5G LWA MDPI Sustainability 2018 Published
SCIE Y. B. Zikria, F. Ishmanov, M. K. Afzal, S. W. Kim, S. Y. Nam, H. J. Yu Opportunistic channel selection MAC protocol for cognitive radio ad hoc sensor networks in the Internet of Things Elsevier Sustainable Computing: Informatics and Systems 2018 Published
SCIE R. Ali, N. Shahin, Y. Kim, B. Kim and S. W. Kim Channel observation-based scaled backoff mechanism for high-efficiency WLANs IET Electronics Letters 2018 Published
SCIE Y. B. Zikria, M. K. Afzal, F. Ishmanov, S. W. Kim, and H. J. Yu A survey on routing protocols supported by the Contiki Internet of Things operating system Elsevier Future Generation Computer Systems 2018 Published
SCIE R. Ali, N. Shahin, R. Bajracharya, B. Kim and S. W. Kim A self-scrutinized backoff mechanism for IEEE 802.11ax in 5G unlicensed networks MDPI Sustainability 2018 Published
SCIE M. K. Afzal, B. Kim, S. Y. Nam, and S. W. Kim SNR-based relay selection in cooperative wireless ad hoc networks Inderscience International Journal of Ad Hoc and Ubiquitous Computing 2018 Published
SCIE A. Musaddiq, Y. B. Zikria, O. Hahm, H. Yu, A. K. Bashir, and S. W. Kim A survey on resource management in IoT operating systems IEEE Access 2018 Published
SCIE R. Bajracharya, R. Shrestha, Y. B. Zikria and S. W. Kim, LTE in the unlicensed spectrum: A survey IETE Technical Review 2018 Published
SCIE R. Ali, S. W. Kim, B. Kim, and Y. Park Design of MAC layer resource allocation schemes for IEEE 802.11ax: Future directions IETE Technical Review 2018 Published
SCIE M. K. Afzal, M. H. Rehmani, A. Pescape, S. W. Kim, and W. Ejaz The new era of smart cities: sensors, communication technologies, and applications IEEE Access 2017 Published
SCIE U. Rasool, Y. B. Zikria, and S. W. Kim A review of wireless access vehicular environment multichannel operational medium access control protocols: Quality-of-service analysis and other related issues Sage International Journal of Distributed Sensor Networks 2017 Published
SCIE B. Kim, S. W. Kim, C. Zhang, and H. Yue A breakthrough in multi-hop wireless multimedia sensor networking protocols Sage International Journal of Distributed Sensor Networks 2017 Published
SCIE G. P. Joshi and S. W. Kim A survey on node clustering in cognitive radio wireless sensor networks MDPI Sensors 2016 Published
SCIE M. Amjad, M. Sharif, M. K. Afzal, and S. W. Kim TinyOS-New trends, comparative views and supported sensing applications: A review IEEE Sensors Journal 2016 Published
SCIE G. P. Joshi, S. Y. Nam, S. W. Kim, and B. Kim Adaptive window size-based medium access control protocol for cognitive radio wireless sensor networks Hindawi Journal of Sensors 2016 Published
SCIE S. W. Kim, M. Pan, G. P. Joshi, O. Gazi, J. He, and M. Coupechoux Applications of cognitive radio networks: Recent advances and future directions Hindawi International Journal of Distributed Sensor Networks 2016 Published
SCIE Y. B. Zikria, S. Nosheen, F. Ishmanov, and S. W. Kim Opportunistic hybrid transport protocol (OHTP) for cognitive radio ad hoc sensor networks MDPI Sensors 2015 Published
SCIE Y. B. Zikria, S. W. Kim, H. Yu, and S. Y. Nam An analytical approach to opportunistic transmission under rayleigh fading channels Hindawi International Journal of Distributed Sensor Networks 2015 Published
SCIE G. P. Joshi, S. W. Kim, and S. Y. Nam Routing layer solution for mitigating frequent channel switching in ad hoc cognitive radio networks IEEE Communications Letters 2015 Published
SCIE G. P. Joshi, S. Y. Nam, C. Kim, and S. W. Kim A Cross-layer-based routing protocol for ad hoc cognitive radio networks Hindawi International Journal of Distributed Sensor Networks 2015 Published
SCIE Y. B. Zikria, S. Nosheen, J.-G. Choi, and S. W. Kim Heuristic approach to select opportunistic routing forwarders (HASORF) to enhance throughput for wireless sensor networks Hindawi Journal of Sensors 2015 Published
SCIE F. Ishmanov and S. W. Kim A novel trust establishment method for wireless sensor networks KSII Transactions on Internet and Information Systems 2015 Published
SCIE B. Kim, S. W. Kim, C. Zhang, and M. Pan A breakthrough in multihop wireless multimedia sensor networking protocols Hindawi International Journal of Distributed Sensor Networks 2015 Published
SCIE G. P. Joshi, S. Acharya, and S. W. Kim A MAC Protocol for CR-WSN without a Dedicated Common Control Channel Hindawi International Journal of Distributed Sensor Networks 2015 Published
SCIE F. Ishmanov, S. W. Kim, and S. Y. Nam Robust trust establishment scheme for wireless sensor networks MDPI Sensors 2015 Published
SCIE M. K. Afzal, B. Kim, and S. W. Kim Efficient and reliable MPEG-4 multicast MAC protocol for wireless networks IEEE Transactions on Vehicular Technology Year Published
SCIE J.S. Kim, H.-O. Lee, M. Kim, and S. W. Kim The new Petersen-torus networks Springer The Journal of Supercomputing 2015 Published
SCIE G. P. Joshi, S. Acharya, and S. W. Kim Fuzzy-logic-based channel selection in IEEE 802.22 WRAN Elsevier Information Systems 2015 Published
SCIE G. P. Joshi, S. W. Kim, C. Kim, and S. Y. Nam A Distributed medium access control protocol for cognitive radio ad hoc networks KSII Transactions on Internet and Information Systems 2015 Published
SCIE F. Ishmanov, A. S. Malik, S. W. Kim, and B. Begalov Trust management system in wireless sensor networks: Design considerations and research challenges Wiley Transactions on Emerging Telecommunications Technologies 2015 Published
SCIE C. Kim, S. W. Kim, and G. P. Joshi Critical success factors in the adoption of ubiquitous SCM systems Information 2015 Published
SCIE G. P. Joshi, S. Y. Nam, and S. W. Kim Rendezvous issues in ad hoc cognitive radio networks KSII Transactions on Internet and Information Systems 2014 Published
SCIE G. P. Joshi, S. Acharya, C. Kim, B. Kim, and S. W. Kim Smart solutions in elderly care facilities with RFID system and its integration with wireless sensor networks Hindawi International Journal of Distributed Sensor Networks 2014 Published
SCIE J.S. Kim, S. W. Kim, K. Qiu, and H.-O. Lee Some properties and algorithms for the hyper-torus network Springer The Journal of Supercomputing 2014 Published
SCIE G. P. Joshi, S. Y. Nam, and S. W. Kim An analysis of channel access delay in synchronized MAC protocol for cognitive radio networks Wiley Transactions on Emerging Telecommunications Technologies 2014 Published
SCIE J.S. Kim, H. Lee, M. Kim, and S. W. Kim Broadcasting algorithms of three-dimensional Petersen-Torus network,” Hindawi Journal of Applied Mathematics Hindawi Journal of Applied Mathematics 2014 Published
SCIE G. P. Joshi, S. Y. Nam, S. Acharya, S. W. Kim Analysis of channel access delay in CR-MAC protocol for ad hoc cognitive radio wireless sensor networks without a common control channel KSII Transactions on Internet and Information Systems 2014 Published
SCIE M. K. Afzal, B. Kim, and S. W. Kim A leader-based reliable multicast MAC protocol for multimedia applications KSII Transactions on Internet and Information Systems 2014 Published
SCIE F. Ishmanov, S. W. Kim, and S. Y. Nam A secure trust establishment scheme for wireless sensor networks MDPI Sensors 2014 Published
SCIE G. P. Joshi, S. Y. Nam, and S. W. Kim Decentralized predictive MAC protocol for ad hoc cognitive radio networks Springer Wireless Personal Communications 2014 Published
SCIE G. P. Joshi, S. Y. Nam, and S. W. Kim Cognitive radio wireless sensor networks: Applications, challenges and research trends MDPI Sensors 2013 Published
SCIE L. Liptak, E. Cheng, J. -S. Kim, and S. W. Kim One-to-many node-disjoint paths of hyper-star networks Elsevier Discrete Applied Mathematics 2012 Published
SCIE S. W. Kim, B. Kim, and R. L. Ekl Efficient retransmission methods in wireless MAC protocol for multicast Springer Wireless Personal Communications 2012 Published
SCIE J. -S. Kim, S. W. Kim, E. cheng, and L. Liptak Topological properties of folded hyper-star networks Springer The Journal of Supercomputing 2012 Published
SCIE S. W. Kim, B. Kim, and I. Lee MAC protocol for reliable multicast over multi-hop wireless ad hoc networks KICS Journal of Communications and Networks 2012 Published
SCIE I. Farruh, A. S. Malik, and S. W. Kim Energy consumption balancing (ECB) issues and mechanisms in wireless sensor networks (WSNs): A comprehensive overview Wiley European Transactions on Telecommunications 2011 Published
SCIE S. W. Kim and B. Kim Rate-adaptive MAC protocol for wireless multicast over OFDMA-based MANETs Springer Wireless Personal Communications 2011 Published
SCIE B. Kim and S. W. Kim Retransmission decision method for wireless multicast in ad-hoc networks IEICE Transactions on Communications 2011 Published
SCIE S. W. Kim, B. Kim, and Y. Fang Network allocation vector (NAV)-based opportunistic prescanning process for WLANs IET Electronics Letters 2010 Published
SCIE S. W. Kim, B. Kim, and S. B. Hong Efficient MAC protocol for subcarrier-wise rate adaptation over WLAN EURASIP Journal on Wireless Communications and Networking 2010 Published
SCIE B. Kim, S. W. Kim, Y. Fang, and T. F. Wong Feedback-assisted MAC protocol for real time traffic in high rate wireless personal area networks ACM Wireless Networks 2010 Published
SCIE X. Liu, K. Y. Yoo, and S. W. Kim Low complexity intra prediction algorithm for MPEG-2 to H.264/AVC transcoder IEEE Transactions on Consumer Electronics 2010 Published
SCIE B. Kim, S. W. Kim, and K. Yoo Link-adaptive MAC protocol for wireless multicast IEICE Transactions on Communications 2009 Published
SCIE J. S. Kim, H. O. Lee and S. W. Kim Comments on “A class of fault-tolerant multiprocessor networks IEEE Transactions on Reliability 2009 Published
SCIE S. R. Lee, S. H. Park, S. W. Kim, and I. Lee Enhanced detection with new ordering schemes for V-BLAST systems IEEE Transaction on Communications 2009 Published
SCIE J. S. Kim, H. O. Lee and S. W. Kim One-to-all broadcasting of even networks for one-port and all-port models ETRI Journal 2009 Published
SCIE G. P. Joshi and S. W. Kim A distributed geo-routing algorithm for wireless sensor networks MDPI Sensors 2009 Published
SCIE S. W. Kim and B. Kim OFDMA-based reliable multicast MAC protocol for wireless ad-hoc networks ETRI Journal 2009 Published
SCIE B. Kim, S. W. Kim, Y. Xi, and H. Y. Ahn Enhanced MAC protocol and scheduling algorithm for high rate WPANs CIE Chinese Journal of Electronics 2008 Published
SCIE B. Kim and S. W. Kim Overhead reduction in rate-adaptive MAC over OFDM-based wireless networks IET Electronics Letters 2008 Published
SCIE B. Kim, S. W. Kim, and R. L. Ekl OFDMA-based reliable multicasting MAC protocol for WLANs IEEE Transactions on Vehicular Technology 2008 Published
SCIE G. P. Joshi and S. W. Kim Survey, nomenclature and comparison of reader anti-collision protocols in RFID IETE Technical Review 2008 Published
SCIE S. W. Kim Cross-layer scheduling algorithm for WLAN throughput improvement Lecture Notes in Computer Science (LNCS) 2006 Published
SCIE S. W. Kim and B. Kim Adaptive cross-layer packet scheduling method for multimedia services in wireless personal area networks KICS Journal of Communications and Networks (JCN) 2006 Published
SCIE S. W. Kim Opportunistic packet scheduling over IEEE 802.11 WLAN Lecture Notes in Computer Science (LNCS), Springer-Verlag 2006 Published
SCIE S. W. Kim Multi-user diversity for IEEE 802.11 infrastructure wireless LAN Lecture Notes in Computer Science (LNCS), Springer-Verlag 2006 Published
SCIE S. W. Kim and B. Kim Resource allocation based on traffic load over relayed wireless access networks Lecture Notes in Computer Science (LNCS), Springer-Verlag 2005 Published
SCIE S. W. Kim and B. Kim Power-efficient packet scheduling method for IEEE 802.15.3 WPAN Lecture Notes in Computer Science (LNCS), Springer-Verlag 2005 Published
SCIE B. Kim, S. W. Kim, Y. Fang, and T. F. Wong Two-step multipolling MAC protocol for wireless LANs IEEE Journal on Selected Areas in Communications 2005 Published
SCIE S. W. Kim, B. Kim, and Y. Fang Downlink and uplink resource allocation in IEEE 802.11 wireless LANs IEEE Transactions on Vehicular Technology 2005 Published
SCIE S. W. Kim, B. Kim, and Y. Fang MAC protocol for resource allocation in a hotspot microcell IEE Electronics Letters 2004 Published
SCIE S. W. Kim, D. G. Jeong, W. S. Jeon, and C. H. Choi Forward link performance of combined soft and hard handoff in multimedia CDMA systems IEICE Transactions on Communications 2002 Published
Scopus I. U. Rasool, Y. B. Zikria, H. Yu, S. W. Kim Collision mitigation scheme for NDN-RIOT-OS based internet of things Far East Journal of Electronics and Communications 2017 Published
Scopus I. U. Rasool, Y. B. Zikria, A. Musaddiq, F. Amin, S. W. Kim RIOT-OS: Firmware for futuristic internet of things Far East Journal of Electronics and Communications 2017 Published
Scopus Y. B. Zikria, R. Ali, R. Bajracharya, H. Yu, S. W. Kim IoT theoretical to practical: Contiki-OS and zolertia remote Far East Journal of Electronics and Communications 2017 Published
Scopus R. Bajracharya, R. Shrestha and S. W. Kim Impact of Contention based LAA on Wi-Fi Network Information 2017 Published
Scopus G. P. Joshi, C. Kim, and S. W. Kim Starting E-business for farmers in Nepal: Challenges and opportunities Information 2016 Published
Scopus R. Ali, S. Asghar, M. Spante, S. W. Kim, B.S. Kim Competence Development at Workplace: A Work integrated informal Learning (WiiL) Approach Far East Journal of Electronics and Communications 2016 Published
Scopus R. Bajracharya, R. Shrestha, R. Ali, and S. W. Kim Power saving Scheme for Wi-Fi Access Points Far East Journal of Electronics and Communications 2016 Published
Scopus G. P. Joshi , S. Acharya, C. Kim, and S. W. Kim Reselling spectrum information to the cognitive users by maintaining spectrum database Advanced Science Letters 2015 Published
Scopus G. P. Joshi , C. Kim, and S. W. Kim A new trend in the digital economy: A new era of digital convergence business Information 2015 Published
Scopus C. Kim, S. W. Kim, and G. P. Joshi Critical success factors in the adoption of ubiquitous SCM systems: Strategic implications Information 2015 Published
Scopus M. K. Afzal, B.S. Kim, and S. W. Kim Performance evaluations of MPEG-4 video traffic services over fading channel-based MANETs Information 2013 Published
Scopus G. P. Joshi and S. W. Kim Mitigating the control channel bottleneck problem in dense cognitive radio networks Academic Journals International Journal of Physical Sciences 2011 Published
Domestic Publication J. Kim, H. Lee, and S. W. Kim Twisted cube torus (TT): A new class of torus interconnection networks based on 3-dimensional twisted cube The Korea Information Processing Society Transactions: Part A 2011 Published
Domestic Publication J. Kim, H. Lee, and S. W. Kim Embedding algorithm among star graph and pancake graph, bublesort graph The Journal of Korean Association of Computer Education 2010 Published
Domestic Publication J. Kim, and S. W. Kim Constructing algorithm of edge-disjoint spanning trees in even interconnection network Ed The Korea Information Processing Society Transactions : Part A 2010 Published
Domestic Publication J. Kim, H. Lee, and S. W. Kim Symmetry and embedding algorithm of interconnection networks folded hyper-star FHS(2n, n) The Korea Information Processing Society Transactions : Part A 2009 Published
Domestic Publication J. Kim, H. Lee, and S. W. Kim Constructing algorithm for optimal edge-disjoint spanning trees in odd interconnection network Od Journal of KIISE : Computer Systems and Theory 2009 Published
Domestic Publication J. Kim, H. Lee, and S. W. Kim Embedding algorithms of hierarchical folded hyperstar network The Korea Information Processing Society Transactions : Part A 2009 Published
Domestic Publication S. W. Kim Adaptive rate control for wireless multicast Journal of The Korea Institute of Maritime Information and Communication Sciences 2009 Published
Domestic Publication S. W. Kim ARQ-based multicast for OFDMA systems Journal of The Korea Institute of Maritime Information and Communication Sciences 2009 Published
Domestic Publication J. Kim, S. W. Kim, and H. Lee Optimal edge-disjoint spanning trees in hyperstar interconnection network HS(2n,n) The Korea Information Processing Society Transactions : Part A 2008 Published
Domestic Publication S. W. Kim Rate control for OFDM-based wireless networks Journal of The Korea Institute of Maritime Information and Communication Sciences 2008 Published
Domestic Publication S. H. Lee, S. W. Kim, and Y. W. Park Fairness scheduling algorithm using adaptive channel assignment based on SIR in HSDPA Journal of Korea Information and Communication Society 2007 Published
Domestic Publication S. W. Kim and B. Kim Enhanced MAC protocol for delay-constrained multimedia services in IEEE 802.15.3 wireless PAN Journal of Signals, Information, and Systems 2005 Published
Domestic Publication S. W. Kim, D. G. Jeong, and C. H. Choi A MAC protocol using delay information feedback for high-speed MAN Journal of The Institute of Electronics Engineering of Korea 1992 Published

Department of Information and Communication Engineering,
Yeungnam University, Republic of Korea.

Contact us

  • Room No-301, IT building (IT 관),
    Department of Information and Communication, Yeungnam University,
    38541, Gyeongsan-si, Gyeongsangbuk-do, Daehakro 280
    Republic of Korea
  • +82-53-810-3937
  • swon@yu.ac.kr

Copyright © WINLab All rights reserved