Nahirniak , V.M. “Evaluation of the Main Parameters of the Compartmental Model of the Epidemic Development Based on the Example of the Spread of the COVID-19 Pandemic in Chernivtsi Region”. Medicni perspektivi 28, no. 1 (March 30, 2023): 179–187. Accessed June 30, 2024. https://journals.uran.ua/index.php/2307-0404/article/view/276215.