GOMARGANA, C.; ISAPUTRA, S.; SUTANTO, S. LEADING BY SERVING: SERVANT LEADERSHIP TRAINING FOR INTERGENERATIONAL YOUTH MINISTRY ACTIVISTS IN GKI GEJAYAN. PAKEM: Jurnal Pengabdian Kepada Masyarakat, v. 6, n. 3, p. 565-576, 12 set. 2026.