@article{al-sherif_ismael_karam_elfayoumi_2018,  title={Weed Flora of Fayoum (Egypt), One of the Oldest Agricultural Regions in the World},  volume={36},  ISSN={0100-8358},  url={https://doi.org/10.1590/S0100-83582018360100034},  DOI={10.1590/S0100-83582018360100034},  journal={Planta Daninha},  publisher={Sociedade Brasileira da Ciência das Plantas Daninhas },  author={AL-SHERIF, E.A. and ISMAEL, M.A. and KARAM, M.A. and ELFAYOUMI, H.H.},  year={2018},  pages={e018171990} }