Ban, Ha-Bang, Duc-Nghia Nguyen, and Kien Nguyen. “An Effective Metaheuristic for Multiple Traveling Repairman Problem With Distance Constraints”. COMPUTING AND INFORMATICS 38, no. 4 (December 30, 2019): 883–916. Accessed April 24, 2024. https://www.cai.sk/ojs/index.php/cai/article/view/2019_4_883.