“Implementasi Customer Relationship Management (CRM) Di Toko Handphone Rejo Cell Tuban”. Seminar Nasional Teknologi & Sains 1, no. 1 (February 16, 2022): 161–166. Accessed October 14, 2026. https://proceeding.unpkediri.ac.id/index.php/stains/article/view/1518.