Cahyani NI, Doyan A, Purwoko AA, Sani YA. Trends in Problem-Based Learning (PBL) Models to Improve Science Process Skills in Students’ Science Learning (2015-2024): A Systematic Review. ijses [Internet]. 2025 Sep. 30 [cited 2026 Feb. 3];2(2):78-84. Available from: https://journals.balaipublikasi.id/index.php/ijse/article/view/260