Ekanayake, E.M.D.B, and W.N.P Rodrigo. “The Modified Hybrid Firefly Approach to the Two-Stage Fixed-Charge Transportation Problem”. American Journal of Interdisciplinary Research and Innovation 5, no. 4 (October 8, 2026): 6–13. Accessed October 8, 2026. https://journals.e-palli.com/home/index.php/ajiri/article/view/8629.