บุญมาคาร ท. Development of a Teaching Model to Enhance Ability to Solve Problems Creatively in Mathematics on the Topic of Trigonometry for the 11th Grade Students. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University, [S. l.], v. 16, n. 1, p. 73–87, 2021. Disponível em: https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/247300. Acesso em: 29 mar. 2024.