Hashim, A. B., R. Din, M. Z. Mat Cha, and A. Md Saman. “Utilization of Subnetworks through Distributed Gateway in Lan Environment”. International Journal of Management Studies, vol. 11, Feb. 2004, pp. 63-78, https://e-journal.uum.edu.my/index.php/ijms/article/view/9188.