NIAMTANG , K. Guidelines for Supporting Factors of Teachers’ Work Happiness in Schools, the Secondary Service Area Office, Nonthaburi . Interdisciplinary Academic and Research Journal , Maha Sara Kham, TH., v. 6, n. 2, p. e291057, 2026. DOI: 10.60027/iarj.2026.e291057. Disponível em: https://so03.tci-thaijo.org/index.php/IARJ/article/view/291057. Acesso em: 16 sep. 2026.