KOMARUM, K. .; PROMTA , U. .; DUANGCHATOM, K. . Guidelines for Performance Improvement of Teachers under the Secondary Educational Service Area Office 27. Journal of Research and Development Institute Rajabhat Maha Sarakham University, [S. l.], v. 7, n. 1, p. 41–52, 2020. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/245035. Acesso em: 6 may. 2024.