?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=F&rft.au=Simtowe%2C+F&rft.aulast=Simtowe&rft.atitle=The+Diffusion+and+Adoption+of+Green+Revolution+Technologies%3A+Lessons+and+policy+implications+from+Pigeonpea+farmers+in+Kenya&rft.title=Regional+and+Sectoral+Economic+Studies&rft.date=2013&rft.volume=13&rft.pages=161-178&rft.issue=2&rft.genre=article