000 003810000a22001570004500
020 _a81-85565-00-7
060 _a100
082 _a630.715 SAM
100 _aSamanta, R K
245 _aAgricultural extension in changing world perspective
260 _aNewdelhi, Uppal Publishing House
260 _c1991
300 _a147
650 _aAgriculture Extension
942 _cBK
999 _c212972
_d212972