So, Idris Gautama, and Sheila Sheila. “Analisis Perancangan Customer Relationship Management Berbasis Web Pada PT ASP Jakarta”. Binus Business Review 2, no. 1 (May 30, 2011): 100-114. Accessed February 23, 2025. https://journal.binus.ac.id/index.php/BBR/article/view/1115.