Mumthaza, S. .; Fahyuni, E. F.; Faujiyah, Y. . Effectiveness of Service Quality through Integrated Information Systems in Increasing Customer Satisfaction and Loyalty in Islamic Education Institutions: Efektivitas Kualitas Pelayanan Melalui Sistem Informasi Terintegrasi Dalam Peningkatan Kepuasan Dan Loyalitas Konsumen Di Lembaga Pendidikan Islam. icecrs 2020, 7.