Santos, D. P. dos, Santos, G. G., Santos, I. L. dos, Schossler, T. R., Niva, C. C., & Marchao, R. L. (2016). Characterization of soil macrofauna in grain production systems in the Southeastern state of Piauí, Brazil. Pesquisa Agropecuaria Brasileira, 51(9), 1466–1475. https://doi.org/10.1590/S1678-3921.pab2016.v51.22311