Okechukwu, I. C., Oruh, B. I., Omekara, C. O. and Enogwe, S. U. (2025) “HEAVY TRAFFIC APPROXIMATION METHODS FOR OPTIMIZING TANDEM MULTISERVER QUEUING SYSTEMS IN ANTENATAL CLINICS”, FUDMA JOURNAL OF SCIENCES, 9(6), pp. 222 - 227. doi: 10.33003/fjs-2025-0906-3622.