Purba, Yenni Septiani. “Advance-Organizer and Team-Teaching: Suatu Strategi Mendukung Peran Guru Pendidikan Agama Kristen Di Era Revolusi Industri 4.0”. Regula Fidei : Jurnal Pendidikan Agama Kristen 5, no. 1 (August 6, 2020): 58–68. Accessed February 15, 2026. http://christianeducation.id/e-journal/index.php/regulafidei/article/view/49.