00673nam a2200169   450000500170000008200080001710000270002524501280005226000590018030000260023950400250026565000280029070000170031894200110033595201400034699900170048620260217101612.0  bSHA  aShaikh, Aisha Khatoon.  aStudy of digital telephone exchange at Qasimabad /cAisha Khatoon Shaikh ; Rukhsana Parveen Shaikh & Imrana Yasmeen Mughal.  aMUET, Jamshoro :bElectronic Engineering, IICT,c1994.  a85p. :bill. ; 30 cm.  aIncludes References.  aElectronic Engineering.  aMemon, A. R.  cTHESES  001040708ESaMRDCbMRDCd2026-02-17i17-02-26-SAWl0o621.385pTH-11446r2026-02-17 10:20:19tES-00738w2026-02-17yTHESESzBachelor  c53711d53711