Biswal, Purna Chandra. <br/><br/>
Discrete Mathematics and graph theory /  
by Purna Chandra Biswal. 
 - 3rd ed. 
 - New Delhi :   PHI Learning ,   2013. 
 - xviii,689p. :   figs. ;   24cm .  
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9788120346918  Rs.450.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER SCIENCE-MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>512.74   / BIS/D