Sartika, S. H., E. . Puspitasari, and H. . Suherti. “Improving High School Student Learning Outcomes: Using Problem-Based Learning Model”. Educenter : Jurnal Ilmiah Pendidikan, vol. 3, no. 2, May 2024, pp. 92-101, doi:10.55904/educenter.v3i2.1168.