Kamarudin, A. A., Z. A. Othman, and H. M. Sarim. “Improvement Initial Solution Water Flow Like Algorithm Using Simulated Annealing for Travelling Salesman Problem”. International Review of Management and Marketing, vol. 6, no. 8S, Dec. 2016, pp. 63-66, https://www.econjournals.com/index.php/irmm/article/view/3912.