00494pab a2200145 454500008004000000100002200040245011300062260000900175300001400184362000800198650004100206650005000247650002500297773002600322180718b2007   xxu||||| |||| 00| 0 eng d  aVenkateswarlu, A.  aInstitutional and technological changes in Andhra Pradesh agriculture: impact on production and productivity  c2007  ap.217-36.  aAug  aAgriculture - India - Andhra Pradesh  aTechnological change - India - Andhra Pradesh  aTechnological change  aAsian Economic Review