YANNARUT, P.; KASEMSUKPIPAT, W.; SOMCHAIPENG, T. A Study of Mathematical Concept of Mathayomsuksa 3 Students by Using a Concept Attainment Model. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, [S. l.], v. 16, n. 2, p. 726–738, 2022. DOI: 10.14456/psruhss.2022.53. Disponível em: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/244291. Acesso em: 1 oct. 2026.