เหลาหา ช. and สุขโต ศ. (2020) “Economics Model Selection for Truck Maintenance Costs Reduction; Agricultural Truck Case Study”, Engineering and Technology Horizons , 33(3), pp. 47–54. available at: https://ph01.tci-thaijo.org/index.php/lej/article/view/241373 (accessed: 16 September 2026).