putri10, and Syamsurizal Syamsurizal. “Literature Review: The Effect of the Problem-Based Learning (PBL) Model on Students’ Problem-Solving Skills in Biology Education”. Al-Alam: Islamic Natural Science Education Journal, vol. 4, no. 2, July 2025, pp. 390-9, doi:10.33477/al-alam.v4i2.14032.