RUTH MAYASARI SIMANJUNTAK; ADI SUARMAN SITUMORANG. THE EFFECT OF PROBLEM POSING LEARNING MODEL ON STUDENT’S MATHEMATIC REASONING ABILITY. European Journal of Humanities and Educational Advancements, [S. l.], v. 2, n. 8, p. 11-14, 2021. Disponível em: https://scholarzest.com/index.php/ejhea/article/view/1123. Acesso em: 9 jan. 2025.