Khanh, Lươmg Hồng, and Vũ Ngọc Phàn. “Queuning Network Theory and Its Application to Communication Systems”. Journal of Computer Science and Cybernetics 18, no. 2 (July 29, 2012): 182–186. Accessed November 21, 2024. https://vjs.ac.vn/index.php/jcc/article/view/1606.