Santos, L. S., Barros Silva, H. P., Pereira, E. C. G. and Silva, H. A. (2020) “Changes in vegetation coverage with emphasis on the identification of cerrado patches in a topographic profile of the semi-arid region from Pernambuco – Brazil”, Sociedade & Natureza, 32, pp. 335–345. doi: 10.14393/SN-v32-2020-45721.