00382pab a2200133 454500008004000000100002000040245010200060260000900162300001300171362000800184650002300192650001500215773001800230180718b1997   xxu||||| |||| 00| 0 eng d  aMitra, Ashok K.  aEconomic aspects of irrigation management in major and medium surface irrigation systems in India  c1997  ap.257-78  aSep  aIrrigation - India  aIrrigation  aArtha Vijnana