Lee, Malrey, Nam Deok Cho, Keun Kwang Lee, and Kyoung Sook Ko. “Design and Implementation of an Intranet Security and Access Control System in Ubi-Com”. Computing and Informatics 30, no. 3 (January 26, 2012): 419–428. Accessed November 8, 2024. http://147.213.75.17/ojs/index.php/cai/article/view/175.