Gimaldi, Ralph P. and Ramanna, B.V. <br/><br/>
Discrete and cobinational mathematics 

 - 5th ed. 
 - Chennai  Pearson  2007 
<br/><br/><label>ISBN: </label>9788177584240 
<br/><br/><label>Dewey Class. No.: </label>510  / T07 GRI R