วงศ์นัฏจิรา ส. Factors Affecting the Operations of the District Health Board in Chumphon Province. J Health Sci Thai [Internet]. 2026Jan.23 [cited 2026Jan.24];35(Supplement 1):S 141 - S 150. Available from: https://thaidj.org/index.php/JHS/article/view/15434