Sheydder-de-O-Lopes, L., & Celestino-Soares, R. (2016). DESERTIFICATION SUSCEPTIBILITY OF GILBUÉS (PIAUÍ STATE) AND CABROBÓ (PERNAMBUCO STATE) DRYLANDS, IN NORTHEASTERN BRAZIL. Geographical Journal of Central America, 1(56), 307-323. https://doi.org/10.15359/rgac.1-56.13