SONGCHAI, R.; ARDKAEW, J. A Comparisons of Learning Achievements and Analytical Thinking Abilities in Mathematics of Prathomsuksa 5 Students between Using The Problem Based Learning (PBL) and The Traditional Teaching Model. Trends of Humanities and Social Sciences Research, [S. l.], v. 7, n. 2, p. 24–41, 2019. Disponível em: https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/209798. Acesso em: 29 mar. 2024.