Lena Simanungkalit, Taripar Aripin Samosir, and Senida Harefa. “Increasing Christian Education Learning Motivation Through a Scientific Approach”. Intellektika : Jurnal Ilmiah Mahasiswa 1, no. 6 (October 5, 2023): 26–31. Accessed September 20, 2024. https://jurnal.stikes-ibnusina.ac.id/index.php/Intellektika/article/view/454.