Widiana IW, Fadli M. Efforts to Improve Learning Activities and Learning Outcomes of Mathematics Integer Materials Through the Application of the PBL Learning Model in Grade VI Elementary School Students. imy [Internet]. 2023 Mar. 30 [cited 2025 Sep. 17];1(1):13-2. Available from: https://jurnalalkhairat.org/ojs/index.php/islamentary/article/view/335