Kasakeyan, Raimond Heintje. “GEREJA UNIVERSAL DALAM ALKITAB: Universal Church in The Bible”. AMBASSADORS: Jurnal Teologi Dan Pendidikan Kristiani, vol. 2, no. 02, Dec. 2021, pp. 1-24, https://stt-indonesia.ac.id/journal/index.php/ambassadors/article/view/25.