Imam Wibowo (2023) “Implementation of Customer Relationship Management (CRM) in Operational Management”, Jurnal Info Sains : Informatika dan Sains, 13(03), pp. 1182–1188. Available at: https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/4024 (Accessed: 27 May 2026).