Nicky Imanno, Christian Arry Budiman, Martinus Sugeng Rohadi, Emil R. Kaburuan, Gunawan Wang, Sfenrianto. “CRM Concept to Increase Customer Loyalty an E-Commerce Case Study: JD.ID”. International Journal of Advanced Science and Technology 29, no. 05 (May 27, 2020): 8596-8600. Accessed February 28, 2024. http://sersc.org/journals/index.php/IJAST/article/view/18690.