1.
Zulfatunisa Z, Sirait S, Manurung RF. Implementation of Problem Based Learning (PBL) Learning Model to Improve Learning Outcomes of Class VII Students of SMP Negeri 7 Kisaran. HS [Internet]. 2024Nov.11 [cited 2025Jul.8];4(3):380-3. Available from: https://jurnal.larisma.or.id/index.php/HS/article/view/730