Nesteruk, Igor, and Noureddine Benlagha. “Predictions of COVID-19 Pandemic Dynamics in Ukraine and Qatar Based on Generalized SIR Model”. Innovative Biosystems and Bioengineering 5, no. 1 (April 6, 2021): 37–46. Accessed November 22, 2024. https://ibb.kpi.ua/article/view/228605.