Berutu, S., Sihombing, I., & Gaol, R. L. (2026). 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, 20(3), 821–829. https://doi.org/10.59896/gara.v20i3.785