erlangga, g., Renaldi, F., & Sabrina, P. (2019). A,research Development of Customer Relationship Management Information Systems at PT. Jendela Alam. SNIA (Seminar Nasional Informatika Dan Aplikasinya), 4, C29-32. Retrieved from https://snia.unjani.ac.id/web/index.php/snia/article/view/193