Doyan, A. et al. 2024. Trends Research Problem Based Learning (PBL) Model to Improve Generic Science Skills in Students’ Science Learning (2015-2024): A Systematic Review. Jurnal Penelitian Pendidikan IPA. 10, 9 (Sep. 2024), 621–630. DOI:https://doi.org/10.29303/jppipa.v10i9.8370.