?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J&rft.au=Ndjeunga%2C+J&rft.aulast=Ndjeunga&rft.atitle=Groundnut+seed+systems+in+Senegal+and+Niger&rft.title=International+Arachis+Newsletter&rft.issn=1010-5824&rft.date=2001&rft.volume=21&rft.pages=24-25&rft.genre=article