Number properties GMAT strategy guide 
Manhattan Gmat 
 - 4th ed 
 -  MG Prep. Inc  2009 
 - 177 p. : ill. ; 28 cm 
<br/><br/><label>ISBN: </label>9780982423844 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Study guides, Examinations, questions, etc
<br/><br/><label>Dewey Class. No.: </label>658.0076 MAN