Pasqualetto, Antônio, et al. “QUANTIFICATION OF THE EMERGENT FLORA OF WEEDS IN AGRO-ECOSYSTEMS IN EDÉIA (GO)”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 29, no. 2, Dec. 2007, pp. 141-4, https://doi.org/10.5216/pat.v29i2.2865.