Satrio Bimo Syahputro, Alfiqri Anshari, Dinny Sukma Nadia, Muhamad Fardiansyah, dan Tania Dwi Kusumawardhani. “Membangun CRM (Customer Relationship Management) Pada Jumpstart Coffee Shop”. Jurnal Adijaya Multidisplin, vol. 1, no. 06, Desember 2023, hlm. 1248–1255, https://e-journal.naureendigition.com/index.php/jam/article/view/457.