FADHOLI, MUH. 2016. “RANCANG BANGUN CRM (CUSTOMER RELATIONSHIP MANAGEMENT) KOPERASI SERBA USAHA (KSU) MINA SEJAHTERA KENDAL BERBASIS WEB”. Information Technology and Telematics 6 (1). https://www.unisbank.ac.id/ojs/index.php/fti3/article/view/3881.