Walaa Abdalla Ibrahim, Khalid Hamid Belal, & 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. Retrieved from http://thj.fu.edu.sd/index.php/thj/article/view/13