Ling, T. C., J. F. Lee, and K. P. Hoh. “Reducing Handoff Delay In WLan Using Selective Proactive Context Caching”. Malaysian Journal of Computer Science, vol. 23, no. 1, June 2010, pp. 49-59, https://jpmm.um.edu.my/index.php/MJCS/article/view/6386.