Hashemi, Saeedeh, Majid Salari, and Mohammad Ranjbar. “Multi-Trip Open Vehicle Routing Problem With Time Windows: A Case Study”. International Journal of Industrial Engineering: Theory, Applications and Practice 27, no. 1 (February 17, 2020). Accessed November 25, 2024. https://ijietap.journals.publicknowledgeproject.org/index.php/ijie/article/view/3911.