Maurit Simanjuntak, Timotius Tan, Timotius Bakti Sarono. Impact Of Koinonia, Diakonia, and Marturia On Congregational Satisfaction at HKBP Cijantung Church. IJCEP [Internet]. 2024 Sep. 27 [cited 2025 May 4];1(4):16-27. Available from: https://international.aripafi.or.id/index.php/IJCEP/article/view/70