Hritonenko, Natali, Caroline Satsky, and Yuri Yatsenko. “Integral Model of COVID-19 Spread and Mitigation in UK: Identification of Transmission Rate”. Mathematical Modelling and Analysis 27, no. 4 (November 10, 2022): 573–589. Accessed December 21, 2024. https://journals.vilniustech.lt/index.php/MMA/article/view/15708.