Sugiarni, N. L. M., Pramana, D. and Puspita, N. N. H. (2015) “Implementasi CRM (Customer Relationship Management) Pada Sistem Informasi Travel X Berbasis Web”, Jurnal Sistem dan Informatika (JSI), 9(2), pp. 51-59. Available at: https://jsi.stikom-bali.ac.id/index.php/jsi/article/view/26 (Accessed: 23October2020).