BRUALDI (Richard A). <br/><br/>
Introductory combinatorics. 

 - 4 
 - New Delhi  Pearson Education Pvt Ltd  2012 
 - ix,630  PB 
<br/><br/><label>ISBN: </label>9788131718827 
<br/><br/><label>Dewey Class. No.: </label>511.6   / BRUR