00330nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001700084245003700101260003400138300000800172650001600180221030s9999    xx            000 0 und d  a8175442379  aEnglish  a105.23bNag  aD. P. Nagpal 0aComputer Coursecby D. P. Nagpal  bWheelar Pub.aNew Delhic2001  a658  aBE Computer