PHROMMON, P.; KOSITPIMANVACH, E. Principles and Quality Assurance of External Education. Journal of Graduate MCU KhonKaen Campus, [S. l.], v. 10, n. 1, p. 59–71, 2023. Disponível em: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/258494. Acesso em: 16 sep. 2026.