Brualdi, Richard A. <br/><br/>
Introductory combinatorics /  
by Richard A. Brualdi. 
 - 4th ed /   . 
 - Delhi :   Pearson Education Asia ,   2008. 
 - 630p. :   figures ;   23cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9788131718827  RS385.00 
<br/><br/><label>Subjects--Index Terms: </label>MATHEMATICS 
<br/><br/><label>Dewey Class. No.: </label>511.6  / BRU/I