Muhammad Affan Surbakti, Zul Amry, Mulyono. Analysis of Conceptual Errors In Mathematical Solving Through Problem-Based Learning Model In Students. j. perspektif [Internet]. 2026 May 11 [cited 2026 May 12];10(1):223-36. Available from: http://perspektif.uinsgd.ac.id/index.php/JP/article/view/459