Kong, Leab, Wanphen Wimonpeerapattana, Visith Chavasit, and Juntima Photi. “Training and Auditing Material Effectiveness for Good Manufacturing Practices and Critical Control Points of Drinking Water Production Plants in Cambodia”. Thai Journal of Science and Technology 8, no. 2 (March 2, 2019): 190–199. Accessed December 2, 2022. https://li01.tci-thaijo.org/index.php/tjst/article/view/175595.