Manhattan GMAT  <br/><br/>
The Official Guide Companion for Quantitative Problem Explanations 
/by Manhattan GMAT  
 - 12th Edition  
 -  Manhattan GMAT  
 - 259p. 
<br/><br/><label>ISBN: </label>9780984178018 
<br/><br/><label>Dewey Class. No.: </label>519  / MAN/T