000 00291nam a2200121Ia 4500
008 170101s1973 xx 000 0 und d
082 _a630.717 RED
100 _areddy A Adivi
245 0 _aExtension Education
260 _bLaxi Press BaPATLA
_c1973
300 _a330 p.
942 _2ddc
_cB
999 _c612266
_d612266