Biswal, Purna Chandra. <br/><br/>
Discrete mathematics and graph theory /  
by Purna Chandra Biswal. 
 - /   . 
 - New Delhi :   PHI Learning ,   2009. 
 - 490p. :   figures ;   24cm  1 CD .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9788120338807  RS295.00 
<br/><br/><label>Subjects--Index Terms: </label>ALGEBRA-MATHEMATICS 
<br/><br/><label>Dewey Class. No.: </label>512.74  / BIS/D