DOUNGPOOTIM, L.; NATUN, J. The Condition of Internal Quality Assurance Implementation in Opportunity Expansion Schools under Uttaradit Primary Education Ser-vice Area Office 1. MCU Haripunchai Review, [S. l.], v. 9, n. 3, p. 606–618, 2025. Disponível em: https://so04.tci-thaijo.org/index.php/JMHR/article/view/aa-0043. Acesso em: 3 sep. 2026.