Tupa Pebrianti Lumbantoruan, and Meditatio Situmorang. “Gerakan Oikumene Di Indonesia Dan Tantangan Lintas Agama”. Sukacita : Jurnal Pendidikan Iman Kristen 2, no. 1 (December 27, 2024): 167–185. Accessed April 22, 2025. https://ejournal.aripafi.or.id/index.php/Sukacita/article/view/538.