Haque O, Akter S, Hossen A, Rahman Z. A Case Study on Outpatient Waiting Time for Treatment with Single Server Queuing Model at Public Eye Hospital in Bangladesh. ASRJETS-Journal. 2020;68(1):143-151. Accessed September 29, 2025. https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/5825