Biswal, Purna Chandra. <br/><br/>
Discrete mathematics and graph theory / 
By Purna Chandra Biswal. 
 - 1st ed. 
 - New Delhi :  PHI Learning Pvt Ltd ,  2006. 
 - xv,364p. ;  23 cm. 
<br/><br/><label>ISBN: </label>8120327217 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic and set theory<br/>Combinatorics<br/>Binary relation and function
<br/><br/><label>Dewey Class. No.: </label>511.8   / BISP