Taotawin, Preuk. 2023. “Reflection on COVID-19 Remedial Measures Based on Group-Targeting Principle: A Case Study of Slum and Rural Communities, Ubon Ratchathani Province”. Journal of Health Systems Research 17 (4). Nonthaburi, Thailand:791-810. https://he04.tci-thaijo.org/index.php/j_hsr/article/view/2528.