Julius, Edward H. <br/><br/>
More rapid math tricks and tips : 30 days to number mastery 

 - Canada :  John Wiley and sons,  1996. 
 - xi,226p.;  26cm 
<br/><br/><label>ISBN: </label>0-471-12238-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmatics
<br/><br/><label>Dewey Class. No.: </label>513.9  / JUL