Phawan ส. DEVELOPMENT GUIDELINES FOR OPTIMIZING EFFICIENCY OF THA SA-AT VILLAGE FUND MANAGEMENT, THA SA-AT SUB-DISTRICT, NA DUANG DISTRICT, LOEI PROVINCE. researchjournal [Internet]. 2021 Sep. 30 [cited 2026 Nov. 10];1(2):11-2. Available from: https://ojs.mbuslc.ac.th/index.php/srj/article/view/42