Sinaga, Houtman Elysha. “Spiritual Gifts and Servant Leadership on the Growth of Small Group Ministries in Selected Places in Indonesia As Basis for Program Development”. Abstract Proceedings International Scholars Conference 6, no. 1 (October 29, 2018): 162. Accessed April 25, 2024. https://jurnal.unai.edu/index.php/isc/article/view/1130.