Hannie, Hannie, Ultach Enri, and Yuyun Umaidah. “ANALYSIS OF KARAWANG ONLINE SALES CUSTOMER SATISFACTION USING CUSTOMER SATISFACTION INDEX (CSI) METHOD”. Jurnal Pilar Nusa Mandiri 16, no. 1 (March 15, 2020): 7-12. Accessed March 3, 2021. http://ejournal.nusamandiri.ac.id/index.php/pilar/article/view/1111.