Walaa Abdalla Ibrahim, Khalid Hamid Belal, and Ibrahim Elemam Abdallah. 2018. “Delay QoS of Video and Voice over IP at WiMAX Network”. Technology Horizon Journal (ISSN: 1858-6368) 2 (1):44-47. https://thj.fu.edu.sd/index.php/thj/article/view/13.