Cindyana Siadari, , Naomi Butarbutar, and Helenna Turnip. “Kompetensi Profesional Guru Dalam Proses Pembelajaran Pendidikan Agama Kristen”. Journal of Cross Knowledge 1, no. 02 (September 16, 2024): 8–15. Accessed June 30, 2026. https://ejournal.edujavare.com/index.php/IJCK/article/view/95.