Rahmatia, S., M. Basri, I. Ismail, S. Adi, N. Nasrullah, and A. Ahmad. “Service Quality in Hospital Inpatient Care: SERVQUAL Model Approach”. Health SA Gesondheid, vol. 30, no. 1, Feb. 2026, https://www.ajol.info/index.php/hsa/article/view/317469.