Boiliu, Esti Regina, and Christina Metallica Samosir. “Pemikiran Abraham Kuyper Dan Integrasi Iman-Ilmu Dalam Filsafat Pendidikan Agama Kristen”. Regula Fidei : Jurnal Pendidikan Agama Kristen 11, no. 2 (September 22, 2026): 308–323. Accessed October 21, 2026. https://www.e-journal.christianeducation.id/index.php/regulafidei/article/view/466.