00313nam a22001217a 450000500170000002000100001703500130002703700130004010000180005324500570007126000440012830000190017220120501124429.0  c00.00  aA-743297  aDPLbENG  aSardana, C.K.  aThe challenge of public relations /cby C.K. Sardana  aNew DelhibHar-Anand Publicationsc1995  a172p.c20 cms.