000 00436cam a22001217a 4500
008 180718b1992 xxu||||| |||| 00| 0 eng d
082 _aZ7x54 D26
100 _aDas, Samir Kumar
245 _aImpact of technological break-through in Indian agriculture since mid-sixties ( a case study of Punjab)
_cby Samir Kumar Das
260 _aBhagalpur
_bBhangalpur University
_c1992
300 _a232p.
650 _aAgriculture and technology - India
999 _c482360
_d482360