S. M. A. Crispim, J. A. de A. Filho, and R. G. Serafim, “Stubble manipulation in a herbaceous comunity of a thinned caatinga in central sertão of Ceará”, PAB, vol. 25, no. 7, pp. 1039–1045, Apr. 2014, doi: 10.1590/S1678-3921.pab1990.v25.13550.