Mahesh, Sudha.  <br/><br/>
'I did it' mathematics. 

 - 2nd Ed. 
 - New Delhi :  Cambridge University Press,  2011. 
 - 138 p. 
<br/><br/><label>ISBN: </label>9780521185011 
<br/><br/><label>Dewey Class. No.: </label>510  / MAH