JAITONG, N.; COJORN, K. The Development of Mathematical Processes for Mathayomsuksa 5 Students by Using Problem-Based Learning Cooperated with KWDL Technique. Journal of Roi Et Rajabhat University, [S. l.], v. 16, n. 1, p. 3–14, 2022. Disponível em: https://so03.tci-thaijo.org/index.php/reru/article/view/243434. Acesso em: 25 sep. 2022.