000 00327nam a2200133Ia 4500
008 160316s1971 xxu||||| |||| 00| 0 eng d
020 _a
100 _a Arun Mukhopadhyay
245 _aAgricultural Extension A Field Study
250 _a1st
260 _aCALCUTTA
_bTHE MINERVA ASSOCIATES
_c1971
300 _a235
700 _a
_a
999 _c32902
_d32902