Benjamin, Arthur <br/><br/>
Think Like A Maths Genius  The art of calculating in your head 

 - New Delhi  Rupa & Company  2011 
 - xxiv, 278  Pb 
<br/><br/><label>ISBN: </label>978-81-291-1305-4 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>513.9