Nasution, Sri Lestari Ramadhani, Hendra Salim, and Ermi Girsang. 2026. “Analysis Of The Relationship Between Customer Relationship Management And Inpatient Loyalty At Royal Prima Hospital Medan”. Proceedings International Conference on Lifestyle Diseases and Natural Medicine (ICOLIFEMED) 2 (1):1160-82. http://139.162.50.187/index.php/icolifemed/article/view/7942.