Jirasirilerd, Ganokgarn, Natawut Ponsri, and Thanaporn Insiri. “Application of Saving Algorithm for Vehicle Routing Problem A Case Study of Catfish Farm”. Thai Industrial Engineering Network Journal 7, no. 2 (December 29, 2021): 51–58. Accessed May 2, 2024. https://ph02.tci-thaijo.org/index.php/ienj/article/view/243890.