PANJAITAN, D.; SIDABUTAR, H. 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. Educenter : Jurnal Ilmiah Pendidikan, [S. l.], v. 2, n. 3, p. 268–274, 2023. DOI: 10.55904/educenter.v2i3.895. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/895. Acesso em: 2 dec. 2024.