?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=T+S&rft.au=Walker%2C+T+S&rft.aulast=Walker&rft.atitle=Management+as+a+factor+of+production+in+the+semi-arid+tropics+of+rural+South+India&rft.title=Indian+Journal+of+Agricultural+Economics&rft.issn=0019-5014&rft.date=1983&rft.volume=38&rft.pages=415-423&rft.issue=3&rft.genre=article