Supithak, Wisut, and Titirat Vivithkeyoonvong. “Inventory Routing Problem with Vehicle Resource Sharing in the Two-depot and Multi-retailer System”. Asian Health, Science and Technology Reports 30, no. 2 (August 17, 2021): 99–109. accessed September 20, 2026. https://ph03.tci-thaijo.org/index.php/ahstr/article/view/1356.