Soegianto, Soegianto, and Miduk Sampetua Sibagaring. “The Prolegomena To Christian Missiology”. Theological Journal Kerugma 5, no. 2 (October 31, 2022): 102–108. Accessed April 30, 2026. https://jurnal.sttii-surabaya.ac.id/index.php/kerugma/article/view/255.