00354nam a2200145 a 450000500170000002000150001708200150003210000150004724500310006225000080009326000420010130000280014363000160017163000210018720251203092028.0  a8185274568  a659.2bBLA  aBlack, Sam  aPractical Public Relations  a4th  aNew DelhibUniversal Book stallc1997  axiii, 229p.b18 cm.cPB  aAdvertising  aPublic relations