WIRATCHAKUL, A.; PETCHROJ, L. The Role of School Administrators in Teacher Competency Development Under the Secondary Education Service AreaOffice Nonthaburi. Journal of Graduate MCU KhonKaen Campus, [S. l.], v. 13, n. 1, p. 293–307, 2026. Disponível em: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/280906. Acesso em: 1 sep. 2026.