Doyan, Aris, Ahmad Harjono, Moammar Qadafi, and Syarful Annam. “Trends Research Project Based Learning (PjBL) Model to Improve Science Process Skills in Students’ Science Learning (2015-2024): A Systematic Review”. Jurnal Penelitian Pendidikan IPA 10, no. 10 (October 25, 2024): 730–739. Accessed November 21, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/8334.