Fahmi Rizky Nugraha, Deny Purnama, and Agam Patra. “Dampak Customer Relationship Management Terhadap Penjualan”. Prosiding Seminar SeNTIK 2, no. 1 (September 14, 2022): 22–29. Accessed May 18, 2024. https://ejournal.jak-stik.ac.id/index.php/sentik/article/view/3143.