Sugiyarti, Ninik, Sopidi Sopidi, Iis Arifudin, and Ria Yulia Gloria. “Excellent Service Management in Islamic Boarding Schools: A SERVQUAL Analysis of Educational Service Quality”. Urwatul Wutsqo: Jurnal Studi Kependidikan dan Keislaman 15, no. 01 (March 13, 2026): 427–439. Accessed March 18, 2026. https://pondokjurnal.uwj.ac.id/index.php/UrwatulWutsqo/article/view/2629.