000 00296nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a630.715 RAY-S
100 _aRay, G.L.
245 0 _aStudies in Agricultural Extension Management
260 _bMittal
_c1989
300 _a163p.
942 _2ddc
999 _c47385
_d47385