SOUSA, IVAN SÉRGIO FREIRE DE, and MICHELANGELO GIOTTO S. TRIGUEIRO. “THE FIGHT TO FARMLAND: PRELIMINARY ASPECTS UPON ITS CHARACTERISTICS IN BRAZIL”. Science & Technology Journals, vol. 3, no. 1, Jan. 1986, pp. 133-54, https://doi.org/10.35977/0104-1096.cct1986.v3.9220.