?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S&rft.au=Asfaw%2C+S&rft.aulast=Asfaw&rft.atitle=Agricultural+technology+adoption%2C+seed+access+constraints+and+commercialization+in+Ethiopia&rft.title=Journal+of+Development+and+Agricultural+Economics&rft.issn=2006-9774&rft.date=2011&rft.volume=3&rft.pages=436-477&rft.issue=9&rft.genre=article