?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Homann-Kee+Tui%2C+S&rft.aufirst=S&rft.aulast=Homann-Kee+Tui&rft.date=November+2015&rft.title=Co%E2%80%90designing+the+transitions+towards+integrated+market+oriented+mixed+farming+systems+in+semi%E2%80%90arid+Zimbabwe&rft.genre=proceeding