M. Suman, V.P. Sakthivel, P.D. Sathya. “Coalesced Economic and Emission Dispatch of Tri-Fuel Generators in Energy Markets: Multi-Objective Heuristic Optimization Technique (MO-HOT)”. International Journal of Advanced Science and Technology, Vol. 29, no. 3, Apr. 2020, pp. 7773 -87, http://sersc.org/journals/index.php/IJAST/article/view/8249.