Obada Ali Mohamed Elhassan, and Amin Babiker A/Nabi Mustafa. “Spectrum Management in Developing Countries (Case Study on Sudan)”. Technology Horizon Journal (ISSN: 1858-6368) 2, no. 3 (March 10, 2018): 80–83. Accessed October 23, 2024. https://thj.fu.edu.sd/index.php/thj/article/view/48.