00675nam a2200241Ia 4500003000400000005001700004006001800021007000300039008004100042037001700083040001800100041001300118082001700131110004900148245004800197260003900245300001500284490002300299650001800322700004900340942002500389999001900414OSt20220925192725.0a|||||r|||| 00| 0ta220923b        |||||||| |||| 00| 0 eng d  cGeneral Book  aRTLcRTLbeng  2engaeng  aX36.2.N8, M3  aIndia Chamber of Commerce (Calcutta)9246175 0aTelecommunications for national development  aCalcuttabICC India         c1983  a313p.ccm.  aIts seminar report  aCommunication  aIndia Chamber of Commerce (Calcutta)9246176  hX36.2.N8, M3cGB2CC  c523180d523180