@article{carneiro_pignoni_vasconcellos_gomes_2007,  title={Eficácia de extratos de nim para o controle do oídio do feijoeiro},  volume={33},  ISSN={0100-5405},  url={https://doi.org/10.1590/S0100-54052007000100005},  DOI={10.1590/S0100-54052007000100005},  number={1},  journal={Summa Phytopathologica},  publisher={Grupo Paulista de Fitopatologia},  author={Carneiro, Solange Monteiro de Toledo Piza Gomes and Pignoni, Ericka and Vasconcellos, Maria Elizabeth da Costa and Gomes, José Carlos},  year={2007},  month={Jan},  pages={34–39} }