000 00328nam a2200133Ia 4500
008 160316s1980 xxu||||| |||| 00| 0 eng d
020 _a
100 _aD K Dasgupta
245 _aHigher Productivity In Agriculture
250 _a1
260 _aNEW DELHI
_bOXFORD AND IBH
_c1980
300 _a178
700 _aN C Chattopadhyay
_a
999 _c24662
_d24662