Cutler, Ann <br/><br/>
The trachtenberg speed system of basic Mathematics 

 - New Delhi  Rupa Publications  2012 
 - 270p 
<br/><br/><label>ISBN: </label>978028562916 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Science
<br/><br/><label>Dewey Class. No.: </label>510  / C973t