Damayanti Nababan, Alia Valentine Simorangkir. PENERAPAN MODEL PROBLEM BASED LEARNING DALAM MENINGKATKAN KEAKTIFAN BELAJAR PENDIDIKAN AGAMA KRISTEN SISWA SMA. PediaQu [Internet]. 2023 May 11 [cited 2026 Aug. 15];2(2):905-11. Available from: https://publisherqu.com/index.php/pediaqu/article/view/198