Doaa Hashim Osman, Khalid Hamed Belal, and Ibrahim Elemam Abdallah. “Third Generation and Fourth Generation Networks (Review Paper)”. Technology Horizon Journal (ISSN: 1858-6368) 2, no. 4 (March 15, 2018): 59–61. Accessed October 23, 2024. https://thj.fu.edu.sd/index.php/thj/article/view/21.