Hutabarat, Aron Rusmadi. “Pendidikan Ala Partungkoan: Studi Pedagogis Kristen Dalam Lingkungan Gereja”. Global Education Journal 4, no. 2 (August 31, 2026): 2245–2254. Accessed October 24, 2026. https://www.journal.civiliza.org/index.php/gej/article/view/2077.