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: 29 aug. 2026.