?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M+A&rft.au=Dawud%2C+M+A&rft.aulast=Dawud&rft.atitle=Farmers%E2%80%99+Production+Constraints%2C+Knowledge+of+Striga+and+Preferred+Traits+of+Pearl+Millet+in+Jigawa+State%2C+Nigeria&rft.title=Global+Journal+of+Science+Frontier+Research%3A+D+Agriculture+and+Veterinary&rft.issn=2249-4626&rft.date=2017&rft.volume=17&rft.pages=1-7&rft.issue=3&rft.genre=article