SOMBOON, N. .; THONGKAMSUK, P. .; SRIHAMEE , S. .; IAMSA-ARD, A. . The Development to Problem Solving Ability in Mathematics through the Constructivist Theory with Open Approach of Mathayomsuksa 3 Students. Suan Dusit Graduate School Academic Journal, Bankok, Thailand, v. 19, n. 3, p. 1–17, 2023. Disponível em: https://so19.tci-thaijo.org/index.php/SDUGSAJ/article/view/65. Acesso em: 11 apr. 2025.