Ermina Waruwu, Din Oloan Sihotang, Johannes Sohirimon Lumbanbatu, and Viyanda Mezaluna Br Ginting. “Cognitive Ability of Students in the Learning Process of Christian Religious Education Using a Scientific Approach at Budi Murni 2 Medan Catholic Private Senior High School”. International Journal of Scientific Multidisciplinary Research 1, no. 7 (August 7, 2023): 719–726. Accessed September 19, 2024. https://journal.formosapublisher.org/index.php/ijsmr/article/view/5441.