Soraya, E., & Sazali, H. (2023). Implementasi CRM (Customer Relationship Management) Di Perpustakaan Daerah Medan. Pustaka Karya : Jurnal Ilmiah Ilmu Perpustakaan Dan Informasi, 11(1), 23–33. https://doi.org/10.18592/pk.v11i1.9620