Eghbali, Maryam, Fariborz Jolai, and Reza Tavakkoli-Moghaddam. “A Robust Possibilistic-M/G/C Queuing Model for a Hub Location Problem With a Ring Topology of a Backbone Network”. International Journal of Industrial Engineering: Theory, Applications and Practice 26, no. 3 (July 20, 2019). Accessed November 25, 2024. https://ijietap.journals.publicknowledgeproject.org/index.php/ijie/article/view/1874.