Moradi, Nima, and Shahram Shadrokh. “Optimization of Bi-Objective Un-Equal Area Facility Layout Problem With Grid System Approach by Simulated Annealing”. International Journal of Applied Optimization Studies 2, no. 04 (November 15, 2019): 09–22. Accessed March 29, 2024. http://ijaos.com/index.php/home/article/view/48.