Arsego, D. A., Ferraz, S. E. T., Streck, N. A., Cardoso, A. de O. and Zanon, A. J. (2018) “Study of the impact of different indices associated with El Niño southern oscillation on soybean yield in Rio Grande do Sul”, Ciência e Natura, 40, pp. 82–87. doi: 10.5902/2179460X30684.