Bunmachu, Dueanphen, and Supatra Kiatcharoensiri. “Knowledge And Prevention Behavior COVID-19 Among Parent Preschool Children”. Journal of health and health management 9, no. 2 (December 28, 2023): 78–88. Accessed May 10, 2024. https://he01.tci-thaijo.org/index.php/slc/article/view/262138.