Kabir, Shamima, Abdullah M.K, Sabira Khatun, and Mahdi M.A. 2007. “Average Packet Transfer Delay Performance of an Enhanced CSMA/CD Based Single Channel Fast Ethernet Optical LAN”. Malaysian Journal of Science 26 (2):117-26. http://mojes.um.edu.my/index.php/MJS/article/view/8076.