Chengalvarayan, P.  1953 - <br/><br/>
The fascinating world of numbers / 
P. Chengalvarayan 
 - New Delhi :  Regal Pubs.,  2012 
 - xviii, 120 p.;  22 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788184841886 :  Rs. 400.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numeration<br/>Number theory
<br/><br/><label>Dewey Class. No.: </label>372.7