@article{oliveira_freitas_vieira_2009,  title={Controle de Commelina benghalensis, C. erecta e Tripogandra diuretica na cultura do café},  volume={27},  ISSN={0100-8358},  url={https://doi.org/10.1590/S0100-83582009000400021},  DOI={10.1590/S0100-83582009000400021},  number={4},  journal={Planta Daninha},  publisher={Sociedade Brasileira da Ciência das Plantas Daninhas },  author={Oliveira, A.R. and Freitas, S.P. and Vieira, H.D.},  year={2009},  pages={823–830} }