MOURA, Emanoel Gomes de, et al. “INFLUENCE OF SOIL COVER OF DIFERENT LEGUME COMBINATIONS ON WEED INFESTATION AND SOIL QUALITY IN A PRE-AMAZONIAN ALLEY-CROPPING AGROSYSTEM”. Scientia Agraria, vol. 10, no. 1, Jan. 2009, pp. 007-14, doi:10.5380/rsa.v10i1.12521.