Mamoon Alameen, Sadeq Damrah, Mohammad Abdul-Niby, and Sadeq Damrah. 2020. “A Combinatorial Optimization Approach to Solve the Synchronous Optical Network (SONET) Problem”. Global Journal of Enterprise Information System 6 (2), 9-11. https://gjeis.com/index.php/GJEIS/article/view/456.