Pandiangan GF, Simbolon SA. PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA SD NEGERI 067244 MEDAN. JPMSM [Internet]. 2024 Aug. 30 [cited 2025 Jul. 7];1(01):22-9. Available from: https://ejournal.pustakakaryamandiri.com/ojs/index.php/jpmsm/article/view/25