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. Jurnal Ilmiah Pendidikan [Internet]. 2023 Sep. 25 [cited 2024 Dec. 2];2(3):268-74. Available from: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/895