00309nam a2200109Ia 4500008004100000040003800041100001500079245003100094260003500125300001900160653002000179220119s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aBlack, Sam 0aPractical public relations  bIsaac  PitmanaNew.Delhic1984  aXiii, 229p. p.  aPublic relation