shayesteh, Farid, and Reihaneh Kardehi Moghaddam. “Improving Firefly-Based Multi-Objective Optimization Based on Attraction Law and Crowding Distance”. Statistics, Optimization & Information Computing 8, no. 1 (February 18, 2020): 229-241. Accessed April 24, 2024. http://iapress.org/index.php/soic/article/view/382.