PROMTRUD, A.; VIBULRANGSON, S. . Developing Learning Activities Using an Open Approach Together with Assessment for Learning to Promote Mathematical Competencies of Ninth Grade Students . Journal of Education Studies, Chulalongkorn University, Bangkok, Thailand, v. 51, n. 4, p. EDUCU5104010, 2023. DOI: 10.14456/educu.2023.37. Disponível em: https://so02.tci-thaijo.org/index.php/EDUCU/article/view/263415. Acesso em: 9 dec. 2025.