000 00285nam a2200121Ia 4500
008 170101s1979 xx 000 0 und d
082 _a630.717 CHA
100 _aChaubey B. K.
245 2 _aA Handbook of Extension Education
260 _c1979
300 _a116 p.
942 _2ddc
_cB
999 _c675416
_d675416