Berutu S, Sihombing I, Gaol RL. Pengaruh Model Problem Based Learning Berbantuan Media Visual Terhadap Keterampilan Berpikir Kritis Peserta Didik Kelas IV: The Effect of the Problem-Based Learning Model Assisted by Visual Media on the Critical Thinking Skills of Grade IV Students. Ganec Swara [Internet]. 2026 Sep. 4 [cited 2026 Sep. 6];20(3):821-9. Available from: https://jurnal.yalamqa.com/index.php/gara/article/view/785