Sai-udom, J., V. Pruktharathikul, and Y. Limmongkon. “Ergonomic workstation improvement of employees working with sugar bag conveyor belt : A case of dragging task”. Journal of Medicine and Public Health, Ubon Ratchathani University, vol. 8, no. 2, Aug. 2025, pp. 94-105, https://he01.tci-thaijo.org/index.php/jmpubu/article/view/277470.