Suanglangi H. Transformational Leadership in the Presbyterian-Synodal System: A Study of KIBAID Church Based on 1 Corinthians 9. EJTI [Internet]. 2026 Aug. 14 [cited 2026 Aug. 28];10(2):193-211. Available from: https://journal.sttsimpson.ac.id/index.php/EJTI/article/view/1061