U. . Phunlarp, T. Chaitorn, W. Boonmalert, B. Phoothong, and W. Jaiyen, “Factors Affecting the Efficiency of Reverse Logistics in E-commerce Warehouses in Nakhon Pathom Province”, IJSASR, vol. 6, no. 2, pp. 217–230, Jan. 2026.