Xu, Rui, Jiayan Wu, and Wenjing Hong. “A ROUTING AND SCHEDULING PROBLEM WITH HIERARCHICAL OBJECTIVES UNDER INDUSTRIAL LOGISTICS ENVIRONMENT: ANALYSIS, MODELING, AND TWO-PHASE HEURISTIC”. International Journal of Industrial Engineering: Theory, Applications and Practice 30, no. 4 (August 27, 2023). Accessed May 19, 2024. https://journals.sfu.ca/ijietap/index.php/ijie/article/view/8681.