Erkan Yilmaz, Ekrem Aydiner, and Özgur Ökcu. “COVID-19 Mortality Prediction: A Case Study for Istanbul”. American Scientific Research Journal for Engineering, Technology, and Sciences 92, no. 1 (March 3, 2023): 26–45. Accessed September 21, 2025. https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/8632.