?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=S&rft.au=Jarial%2C+S&rft.aulast=Jarial&rft.date=2016&rft.title=Comparison+of+Cowpea+and+Groundnut+Haulm+Trading+in+Urban+and+Rural+Fodder+Markets+in+Niger&rft.genre=proceeding