Iswahyuni I, Maisaroh S. The Effectiveness of Using the Problem-Based Learning Model on Students’ Understanding of Mathematical Word Problems. j. perspektif [Internet]. 2026 Mar. 1 [cited 2026 Mar. 3];10(1):127-36. Available from: https://perspektif.uinsgd.ac.id/index.php/JP/article/view/435