สุนทรสุข น. Evaluate the Monitoring Quality of Coin-operated Drinking Water Vending Machines and Law Enforcement under the Public Health Act 1992 and Amended of Kamphaeng Phet Province . JDPC3 [Internet]. 2021 Jan. 13 [cited 2024 May 19];14(3):42-55. Available from: https://he01.tci-thaijo.org/index.php/JDPC3/article/view/244533