1.
Ajeng Julia, Erna Suwangsih, Puji Rahayu. The Influence of Problem Based Learning (PBL) Model on Students’ Mathematical Problem Solving Ability in Elementary Schools. regulate [Internet]. 2025 Feb. 13 [cited 2025 Nov. 1];2(1):1-12. Available from: https://regulate.hellowpustaka.id/index.php/i/article/view/15