Benjamin Arthur <br/><br/>
Secrets of mental math 

 - New York     Three rivers press         2006 
 - xxiv,278p.  cm. 
<br/><br/><label>ISBN: </label> INR 399.00 
<br/><br/><label>Standard No.: </label>133986 
<br/><br/><label>Source: </label> 0283, 08/03/2017, Bookwell  Publications  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference
<br/><br/><label>Dewey Class. No.: </label>B, P6  LR