Kusuma, A., & Fariyatul Fahyuni, E. (2026). Innovation Of Customer Relationship Management For Islamic Boarding School Sustainability: Inovasi Customer Relationship Management Untuk Keberlanjutan Pondok Pesantren. Indonesian Journal of Innovation Studies, 27(3), 10.21070/ijins.v27i3.2249. https://doi.org/10.21070/ijins.v27i3.2249