Singh, Rajbeer. <br/><br/>
Number system and set theory 

 - New Delhi  Arise Publishers & Distributors  2007 
 - 224p. 
<br/><br/><label>ISBN: </label> RS 650.00 
<br/><br/><label>Source: </label> RS 650.00 
<br/><br/><label>Dewey Class. No.: </label>511.322 SIN