Damanik, Burhanuddin. “ANALISIS CUSTOMER RELATIONSHIP MANAGEMENT (CRM) DALAM PENINGKATAN PELANGGAN HOTEL”.
JURNAL MAHAJANA INFORMASI
3, no. 2 (January 25, 2019): 1–10. Accessed May 11, 2025. http://114.7.97.221/index.php/7/article/view/412.