สัมฤทธิ์มโนพร ส. (2023) “EFFECTIVENESS OF COVID-19 VACCINE SANAMCHAIKHET DISTRICT CHACHOENGSAO PROVINCE”, Primary Health Care Journal (Northeastern Edition) . Khon Kaen, Thailand, 38(2), pp. 104–112. Available at: https://thaidj.org/index.php/pjne/article/view/14562 (Accessed: 22July2024).