?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=F&rft.au=Badolo%2C+F&rft.aulast=Badolo&rft.date=February+2017&rft.title=Economic+analysis+of+alternative+systems+for+sorghum+production+in+Southern+Mali&rft.genre=proceeding