“Differences in Student Learning Outcomes Through the Application of Problem Based Learning (PBL) Learning Models With and Without Using Student Worksheets (LKPD) on Biodiversity Materials in Class X SMA S PAB 8 Saentis TP 2022/2023”, Jurnal Ilmiah Pendidikan, vol. 2, no. 3, pp. 268–274, Sep. 2023, doi: 10.55904/educenter.v2i3.895.