@article{medeiros_silva_sousa_silva_silva_2021,  title={Evaluation of selected cowpea varieties under competition with weeds<sup/>},  volume={52},  ISSN={1806-6690},  url={https://doi.org/10.5935/1806-6690.20210070},  DOI={10.5935/1806-6690.20210070},  number={4},  journal={Revista Ciência Agronômica},  publisher={Universidade Federal do Ceará},  author={Medeiros, Isis Fernanda Silva and Silva, Paulo Sérgio Lima e and Sousa, Roberto Pequeno de and Silva, Jaeveson da and Silva, Roseano Medeiros da},  year={2021},  pages={e20207202} }