J. F. da S. Martins, M. L. T. Mattos, F. F. da Silva, and G. T. Büttow, “Fipronil residual content in the soil for the control of Oryzophagus oryzae in subsequent flooded rice crops”, PAB, vol. 52, no. 4, pp. 228–235, May 2017, doi: 10.1590/S1678-3921.pab2017.v52.23079.