@article{chambó_garcia_oliveira_duarte-júnior_2011,  title={Honey bee visitation to sunflower: effects on pollination and plant genotype},  volume={68},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162011000600007},  DOI={10.1590/S0103-90162011000600007},  number={6},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Chambó, Emerson Dechechi and Garcia, Regina Conceição and Oliveira, Newton Tavares Escocard de and Duarte-Júnior, José Barbosa},  year={2011},  month={Nov},  pages={647–651} }