MOOLTHA, S. .; BHIASIRI , S. . The research study the result of the visual art learning in creative Tung Isan Flag by project-based learning for Grade 9 students. Journal of Research and Development Institute Rajabhat Maha Sarakham University, [S. l.], v. 9, n. 2, p. 123–136, 2022. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/254523. Acesso em: 19 may. 2024.