"Gonzalez, Dan." <br/><br/>
Number properties :  GRE math strategy guide / 
Dan Gonzalez. 
 - 2nd ed. 
 - New York :  2011 
 - 185 p. : 
<br/><br/><label>ISBN: </label>9781935707509 
<br/><br/><label>LC Class. No.: </label>LB 2367.4  / .G66 2011