W. L. F. Correia Filho, T. V. dos Santos, A. M. Diogo, and R. F. C. de Amorim, “Diagnosis of Precipitation and EVI in Two Drought Events on Northeast Brazil”, Rev. Dep. Geogr., vol. 35, pp. 102–112, Jul. 2018, doi: 10.11606/rdg.v35i0.140068.