Sharma K.K <br/><br/>
Fundamentals of Voice and Data Communication/  (Pimt Resources). 
By K.K Sharma.- 
 - New Delhi:  S.K Kataria & Sons,  c2012. 
 - 412p.:  ill.:  412p.: 
<br/><br/>Includes Index. 
<br/><br/><label>ISBN: </label>9789350143339 
<br/><br/><label>Source: </label>B-34707 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>LC Class. No.: </label>QA76  / .S52