00490nam a22001697a 450000500170000001000130001702000260003003500130005603500130006903700400008208200110012210000150013324500500014826000520019827000500025030000200030020180627121345.0  aB-216568  a9788131300633c700.00  aB-216568  aB-216568  adplbA.P.H. Publishing Corportation  a302.23  aSingh, J K  aTextbook of mass communication/cby J K Singh  aNew DelhibA.P.H. Publishing Corportationc2007  a5, Ansari Road, Darya GanjbNew Delhie110002  a274p.c22cm(Hb)