Boonsorn จ. COMPETENCIES OF SCHOOL ADMINISTRATORS AFFECTING THE SCHOOLS EFFECTIVENESS UNDER LOCAL ADMINISTRATIVE ORGANIZATIONS IN LOEI PROVINCE. Integrated Social Science Journal, [S. l.], v. 3, n. 7, p. 23–34, 2023. Disponível em: https://www.ojs.mbuslc.ac.th/index.php/issj/article/view/224. Acesso em: 6 dec. 2025.