?url_ver=Z39.88-2004&rft_id=doi%3A10.3390%2Fsu13010077&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=E+B&rft.au=Nchanji%2C+E+B&rft.aulast=Nchanji&rft.atitle=What+Does+Gender+Yield+Gap+Tell+Us+about+Smallholder+Farming+in+Developing+Countries%3F&rft.title=Sustainability&rft.issn=2071-1050&rft.date=December+2020&rft.volume=13&rft.pages=1-18&rft.issue=1&rft.genre=article