Design & Simulation of Voice QoS Performance in Data Network Congestion for M/D/1 Queuing Model. Albahit J. Appl. Sci. 2021;2(1):37-45. تاريخ الوصول سبتمبر 26, 2025. https://albahitjas.com.ly/index.php/albahit/article/view/22