Siregar T, Al Amin I. RANCANG BANGUN CRM (CUSTOMER RELATIONSHIP MANAGEMENT) PADA OPTIK YUNUS MENGGUNAKAN METODE FCFS BERBASIS WEB MOBILE. SINTAK [Internet]. 14Nov.2018 [cited 23Nov.2024];2. Available from: https://www.unisbank.ac.id/ojs/index.php/sintak/article/view/6515