G. A. Ferreira, S. J. Alves, P. S. R. de Oliveira, A. C. T. da Costa, and A. Nolla, “Soil organic carbon and nitrogen under heights of Urochloa ruziziensis grazing in agro-pastoral system”, Rev. Ciênc. Agrovet., vol. 18, no. 3, pp. 352–362, Jul. 2019.