000 00433pab a2200157 454500
008 180718b1997 xxu||||| |||| 00| 0 eng d
100 _aMitra, Ashok K.
245 _aEconomic aspects of irrigation management in major and medium surface irrigation systems in India
260 _c1997
300 _ap.257-78
362 _aSep
650 _aIrrigation - India
650 _aIrrigation
773 _aArtha Vijnana
909 _a35712
999 _c35712
_d35712