Cahyani, Novia Intan, Aris Doyan, Agus Abhi Purwoko, and Yunita Arian Sani. “Trends in Problem-Based Learning (PBL) Models to Improve Science Process Skills in Students’ Science Learning (2015-2024): A Systematic Review”. International Journal of Science Education and Science 2, no. 2 (September 30, 2025): 78–84. Accessed February 3, 2026. https://journals.balaipublikasi.id/index.php/ijse/article/view/260.