Boonjarern, Supaporn, Chutikarn Uma, Chotiga Burana, Amonrat Keiwjantuek, and kunnida kulrawang. 2025. “Analysis of Cost Problem and Planning Transportation Route the Drinking Water: Case study of A Water Rice Co., Ltd”. Rajamangala University of Technology Tawan-ok Social Science Journal 14 (1):25-37. https://doi.org/10.63271/rmuttosj.v14i1.270669.