?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=O&rft.au=Mponda%2C+O&rft.aulast=Mponda&rft.date=February+2017&rft.title=Advances+of+groundnut+breeding+and+seed+systems+in+Tanzania&rft.genre=proceeding