00412nam a2200133Ia 4500008004100000024004800041082001900089100004400108245001800152260002600170600003200196650003300228999001700261260210s9999    xx            000 0 und d  a02A-039-CE, 01A-038-CE & 02A-069-CE  a621.385072 SAR  aSara Azeem, Rahat Zehra & Talat Naz 0aIP Based PABX  aKarachi:bUITU,c2002  aComputer System Engineering  aBachelor of Engineering (BE)  c32706d32706