000 00294nam a2200121Ia 4500
008 170101s1978 xx 000 0 und d
082 _a630.717 RED
100 _aReddy A A
245 0 _aExtension Education
260 _aBapatla
_bSree Laxmi Press
_c1978
300 _a330 p.
942 _2ddc
_cB
999 _c668716
_d668716