Budiarti, P., and B. Andah. “WEBSITE ELECTRONIC CUSTOMER RELATIONSHIP MANAGEMENT UNTUK MENINGKATKAN JUMLAH NASABAH BPR DHANA SEMESTA”. IDEALIS : InDonEsiA JournaL Information System, Vol. 2, no. 6, Nov. 2019, pp. 199-06, https://jom.fti.budiluhur.ac.id/index.php/IDEALIS/article/view/1499.