 @article{asif_ayub_tanveer_akhtar_2017,  title={ESTIMATING YIELD LOSSES AND ECONOMIC THRESHOLD LEVEL OF <i>Parthenium hysterophorus</i> IN FORAGE SORGHUM},  volume={35},  ISSN={0100-8358},  url={https://doi.org/10.1590/S0100-83582017350100038},  DOI={10.1590/S0100-83582017350100038},  journal={Planta Daninha},  publisher={Sociedade Brasileira da Ciência das Plantas Daninhas },  author={ASIF, M. and AYUB, M. and TANVEER, A. and AKHTAR, J.},  year={2017},  pages={e017164158} }