Fontaneli, R. S., Ambrosi, I., Santos, H. P. dos, Ignaczak, J. C., & Zoldan, S. M. (2000). Economic analysis of grain production systems with annual winter pastures, under no-tillage. Pesquisa Agropecuaria Brasileira, 35(11), 2129–2137. https://doi.org/10.1590/S1678-3921.pab2000.v35.6003