JONGTAENGKLANG, S.; SOD-IUM , P.- on. Factor Analysis of Ethical Leadership of School Administrators under Secondary Educational Service Area Office Loei Nong Bua Lamphu: Factor Analysis of Ethical Leadership of School Administrators under Secondary Educational Service Area Office Loei Nong Bua Lamphu. RATANABUTH JOURNAL, Yasothon, Thailand, v. 5, n. 1, p. 540–557, 2023. Disponível em: https://so07.tci-thaijo.org/index.php/rtnb/article/view/2705. Acesso em: 15 sep. 2026.