Soraya, Eva, and Hasan Sazali. “Implementasi CRM (Customer Relationship Management) Di Perpustakaan Daerah Medan”. Pustaka Karya : Jurnal Ilmiah Ilmu Perpustakaan dan Informasi 11, no. 1 (June 17, 2023): 23–33. Accessed November 22, 2024. https://jurnal.uin-antasari.ac.id/index.php/pustakakarya/article/view/9620.