PENGARUH KEHADIRAN MAJELIS JEMAAT DALAM IBADAH KUNCI USBU TERHADAP KUALITAS PELAYANAN DI JEMAAT GKI PENGHARAPAN KABANOLO: THE INFLUENCE OF ASSEMBLY ATTENDANCE IN USBU KEY WORSHIP ON THE QUALITY OF SERVICE AT GKI PENGHARAPAN KABANOLO. EJIT 2023, 8 (1), 124-141. https://doi.org/10.56942/ejit.v8i1.106.