Muhammad Asif Siddiqui, Sufyan Shaikh, Tabish Iqbal & Reema Tariq Mughal <br/><br/>
Microcontroller Based Private Automatic Branch Exchange 

 - Karachi:  UIT,  2002 
<br/><br/><label>Standard No.: </label>02A-50-CE, 02A-71-CE, 02A-32-CE &amp; 02A-006-CE 
<br/><br/><label>Subjects--Personal Names: </label><br/>Computer System Engineering
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bachelor of Engineering (BE)
<br/><br/><label>Dewey Class. No.: </label>621.385072 SID