00366nam a2200121Ia 4500008004100000020001800041041001200059082002400071100002300095245008400118250001200202260003000214231221s9999    xx            000 0 und d  a9790000000000  aEnglish  a001.64404  SIN;1  R  aSingh, Charanjeet. 0aData communications and networks : for the BCA students of bangalore university  a1st ed.  c2010bKalayaniaNew Delhi