Sriruecha, P., W. Nansupawat, and J. Tanwatanakul. “The Amphetamine Abuse Among The Heavy Truck Drivers”. Srinagarind Medical Journal, vol. 9, no. 2, Nov. 2013, pp. 74-78, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13747.