Gupta, Prakash C.. <br/><br/>
Data communications and computer networks /  
Prakash C. Gupta. 
 - 2nd ed /   . 
 - New Delhi :   PHI Learning ,   2014. 
 - xxvii,848p. :   figure ;   22cm .  
<br/><br/>includes index and list of acronyms 
<br/><br/><label>ISBN: </label>9788120348646  RS495.00 
<br/><br/><label>Subjects--Index Terms: </label>DATA COMMUNICATIONS COMPUTER NETWORKS 
<br/><br/><label>Dewey Class. No.: </label>004.6  / GUP/D