Paiva, G.J. de, Terada, Y. and Toledo, V. de A.A. de 2008. <b>Seed production and germination of sunflower (<em>Helianthus annuus</em> L.) in three pollination systems</b&gt;- DOI: 10.4025/actascianimsci.v25i2.1974. Acta Scientiarum. Animal Sciences. 25, 2 (Apr. 2008), 223-227. DOI:https://doi.org/10.4025/actascianimsci.v25i2.1974.