Sarkar, Swapan Kumar <br/><br/>
Text book of discrete mathematics 

 - 3rd 
 - New Delhi  S. Chand and Company  2006 
 - 731 
<br/><br/><label>ISBN: </label>81-219-2232-1 
<br/><br/><label>Dewey Class. No.: </label>511.1 Sa T