00648nam a2200193Ia 4500008004100000020001300041082001600054100002200070245007300092250000700165260004200172300002700214500000700241600003400248650001500282942000700297952013500304999001500439240925s9999    xx            000 0 und d  a74634976  a621.382 NIR  aNiraj  , K. Gupta 4aThe Business of Telecommunication: networking in the new millenneium  aNA  aNew York:bTata Mc-Graw -Hillc,2000.  axv,556p.bNAfOriginal  aNA  aTelecommunication Engineering  aTechnology  cBK  001040708ELaUITUbUITUd2003-03-02eParamount Book Pvt Ltdg245.00l0o621.382 NIRpQ4922r2024-09-25 07:13:40w2024-09-25yBK  c7421d7421