Ermina Waruwu, Din Oloan Sihotang, Johannes Sohirimon Lumbanbatu, 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 . IJSMR [Internet]. 2023 Aug. 7 [cited 2024 Sep. 19];1(7):719-26. Available from: https://journal.formosapublisher.org/index.php/ijsmr/article/view/5441