Navarin Tagontong น. ต. Using Formative Research to Develop Educational Quality. Dusit Thani College Journal, [S. l.], v. 11, n. 2, p. 421–438, 2018. Disponível em: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/120547. Acesso em: 27 may. 2024.