000 00316nam a2200097Ia 4500
008 160214s9999 xx 000 0 und d
245 _aStrategic research and extension plan of Dumka district
260 _c2000
_aHyderabad
_bNational Institute of Agricultural Extension Management
300 _a79p.
942 _2udc
_cICAR
999 _c30642
_d30642