000 00306nam a2200133Ia 4500
008 160316s1971 xxu||||| |||| 00| 0 eng d
020 _a
100 _aA Mukhopadhay
245 _aAgricultural Extension :A Field Study
250 _a1
260 _aCALCUTTA
_bMINARVA
_c1971
300 _a235
700 _a
_a
999 _c25267
_d25267