00307nam a2200109 a 450000500170000002000150001708200200003210000190005224500750007126000330014630000180017920251203090535.0  a0671544357  a808.51,bD, car  aCarnegie, Dale  aHow to develop self-confidence and influence people by public speaking  aNew YorkbPocket Booksc1956  avi,244p, 23cm