Aisami, A., Abubakar, U., Manogaran, M. and Shukor, M. (2021) “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”, Bulletin of Environmental Science and Sustainable Management (e-ISSN 2716-5353), 5(1), pp. 32–36. doi: 10.54987/bessm.v5i1.589.