Efforts to Improve Students’ Problem-Solving Skills in Science Learning by Implementing the Problem-Based Learning Model in MIS Ni’matul Aziz. DEEP LEARNING [Internet]. 2025 Oct. 31 [cited 2026 Feb. 26];1(4):22-40. Available from: https://ejournal.mgedukasia.or.id/index.php/deeplearning/article/view/276