Techaoei, Surachai. “Bacterial and Fungal Contamination of Personal Care Product in Northern Thailand”. Journal of Applied Research on Science and Technology (JARST) 16, no. 1-2 (December 31, 2017): 32–38. accessed August 27, 2026. https://ph01.tci-thaijo.org/index.php/rmutt-journal/article/view/117933.