Susuki, Aline, et al. “Evolution of COVID-19 in Londrina (State of Paraná – Brazil) Between March and August of 2020”. Semina: Ciências Exatas E Tecnológicas, vol. 42, no. 1Supl, Feb. 2021, pp. 5-16, doi:10.5433/1679-0375.2021v42n1Suplp5.