00581nam a2200133Ia 4500008004100000024005300041082001900094100007700113245006000190260002500250600003200275650003300307856010700340250506s9999    xx            000 0 und d  a02A-50-CE, 02A-71-CE, 02A-32-CE & 02A-006-CE  a621.385072 SID  aMuhammad Asif Siddiqui, Sufyan Shaikh, Tabish Iqbal & Reema Tariq Mughal 0aMicrocontroller Based Private Automatic Branch Exchange  aKarachi:bUIT,c2002  aComputer System Engineering  aBachelor of Engineering (BE)  uhttps://drive.google.com/file/d/1DWjYQNF5andQmReaKzZ3-0FG22su8ZsE/view?usp=sharingyClick here for PDF