Iyengar N Ch S N <br/><br/>
Discrete mathematics. 
Iyengar N Ch S N 
 -  2003 
<br/><br/><label>Standard No.: </label>13240 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2895, P3