Test for the Presence of Autocorrelation in the Morgan-Mercer-Flodin (MMF) Model used for Modelling the Total Number of COVID-19 Cases for Brazil. Bull Environ Sci Sust Manage [Internet]. 2021 Jul. 31 [cited 2026 Jul. 3];5(1):32-6. Available from: https://journal.hibiscuspublisher.com/index.php/BESSM/article/view/589