PHONGPANPHAENGPANGA, P. Variables Affecting the Servant Leadership of Educational Institute Administrators Under the Primary Educational Service Area Office. Human Behavior, Development and Society, [S. l.], v. 18, p. 121–128, 2019. Disponível em: https://so01.tci-thaijo.org/index.php/hbds/article/view/189381. Acesso em: 21 sep. 2026.