1.
M.I. Umar, M.U. Adehi, M.A. Auwal. A Systematic Review of Multi-Server Queueing System: A Case of Lengthy Wait Times in Hospital Medical Outpatient Department (OPD). AJASTR [Internet]. 2023 Oct. 3 [cited 2026 Nov. 2];12(1):01-17. Available from: https://publications.afropolitanjournals.com/index.php/ajastr/article/view/601