Muangthong N, Kijkuakul S. Learning Implementation Using Mathematical Task to Enhance Mathematical Reasoning Ability in Problem Solving in Three-Dimensional Geometry for The Grade 6 Students. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University [internet]. 2025 Dec. 22 [cited 2026 Sep. 23];19(2):538-54. available from: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/280306