Risma Br Ginting, Hartutik Hartutik, and Paulus Asnadi. “Peningkatan Hasil Belajar PAK Dengan Model Problem Based Learning Materi Terlibat Dalam Hidup Menggereja Fase C Kelas V SD Santo Antonius Bangun Mulia Medan”. PROSIDING SEMINAR NASIONAL PENDIDIKAN DAN AGAMA 4, no. 2 (November 18, 2023): 1243–1257. Accessed July 3, 2024. https://badanpenerbit.org/index.php/SEMNASPA/article/view/1365.