Das, Apurba. <br/><br/>
Line Communications System Tele Communications Switchi Approch 
by Apurba Das 
 - Jaipur  New Age Int. New Delhi.  2010 
 - 266 
<br/><br/> Engineering 
<br/><br/><label>ISBN: </label>9788122430882 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer