F. S. Ramadhani, N. A. P. . Dewi, S. S. Safitri, Y. S. . Purwanti, and M. V. . Humairo, “Optimizing Referral Services: A Health Management Approach to Quality Improvement in Health Services”, noval, vol. 3, no. 1, pp. 59–65, Jul. 2025.