MUANGSONG , N.; DOUNGWILAI, D. THE DEVELOPMENT OF PROBLEM-SOLVING SKILLS AND CREATIVE WRITING SKILLS OF GRADE 5 STUDENTS USING PROBLEM-BASED LEARNING AND FLIPPED CLASSROOM . Journal of Liberal Art of Rajamangala University of Technology Suvarnabhumi, [S. l.], v. 6, n. 3, p. 772–786, 2024. Disponível em: https://so03.tci-thaijo.org/index.php/art/article/view/278606. Acesso em: 16 sep. 2026.