Supriyanto, Supriyanto, and Nina Setiyawati. 2020. “Pembangunan Aplikasi Mobile-Customer Relationship Management (M-CRM) Terintegrasi Pada UMKM”. IKRA-ITH Informatika : Jurnal Komputer Dan Informatika 5 (2), 118-27. https://journals.upi-yai.ac.id/index.php/ikraith-informatika/article/view/1005.