Waruwu NS, Destini R, Juliandri D, Firmansyah F. Model Pembelajaran Problem Based Learning (PBL) terhadap Kemampuan Berpikir Kritis Matematis. MPM [Internet]. 2025 Jun. 30 [cited 2025 Aug. 15];13(1):454-63. Available from: https://e-journal3.undikma.ac.id/index.php/jmpm/article/view/15745