sianturi, ranti evi sondang and Tarigan, S. 2024. THE INFLUENCE OF PROBLEM-BASED LEARNING AND DISCOVERY LEARNING MODELS ON STUDENT LEARNING OUTCOMES IN CLASS XI HIGH SCHOOL REACTION RATE MATERIAL. Jurnal Ilmu Pendidikan Indonesia. 12, 2 (Jun. 2024), 110–119. DOI:https://doi.org/10.31957/jipi.v12i2.3596.