Kolby, Jeff.  <br/><br/>
GMAT :   math tests /  
Jeff Kolby and Derrick Vaughn.  
 - New Delhi :   Prakash books India Pvt Ltd.,   c2016.  
 - v, 380 p. ;   30 cm.  
<br/><br/><label>ISBN: </label>9788172345594 
<br/><br/><label>Subjects--Index Terms: </label>Orientation.  Tests.  Math.  
<br/><br/><label>Dewey Class. No.: </label>378.1662  / KOL