Tanojo, Wimpie. “Impact of Diakonia, Koinonia and Marturia Services for the Growth of the Indonesian Christian Church Resident Sudirman Surabaya”. Journal Didaskalia 3, no. 2 (October 28, 2020): 38–49. Accessed June 10, 2026. https://jurnal.sttii-surabaya.ac.id/index.php/didaskalia/article/view/193.