Sari, D. R., Hasanah, D., Rambe, A. K. and Mukra, M. (2024) “Studi Literatur: Analisis Penerapan Model Pembelajaran Problem Based Learning Dalam Meningkatkan Kemampuan Berpikir Kritis Pada Materi Perncemaran Lingkungan Kelas X SMA Methodist Lubuk Pakam : (Literature Study: Analysis of the Application of the Problem Based Learning Model in Improving Critical Thinking Abilities on Environmental Pollution Material for Class X Lubuk Pakam Methodist High School) ”, BIODIK, 10(2), pp. 111-120. doi: 10.22437/biodik.v10i2.33828.