เทศคลัง ก. STRATEGIC MANAGEMENT GUIDELINES TO ENHANCE RESOURCE MANAGEMENT IN SMALL-SIZED SCHOOLS UNDER THE UTTARADIT PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1 . Journal of Education, Ubon Ratchathani University, Ubon Ratchathani, Thailand, v. 1, n. 1, p. 19–31, 2026. Disponível em: https://so17.tci-thaijo.org/index.php/JEDU/article/view/2078. Acesso em: 30 sep. 2026.