Umesh Kumar Lilhore, Sarita Simaiya, Shikha Maheshwari, Advin Manhar, Santosh Kumar. “Cloud Performance Evaluation: Hybrid Load Balancing Model Based on Modified Particle Swarm Optimization and Improved Metaheuristic Firefly Algorithms ”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, June 2020, pp. 12315-31, http://sersc.org/journals/index.php/IJAST/article/view/25818.