A. Doyan, A. Harjono, M. Qadafi, and S. Annam, “Trends Research Project Based Learning (PjBL) Model to Improve Science Process Skills in Students’ Science Learning (2015-2024): A Systematic Review”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 10, no. 10, pp. 730–739, Oct. 2024.