Power math : 30 powerful principles 
Royal, Brandon. 
 -  Jaico Publishing House.  2015 
 - 281 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>978-8-18495730-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>510.7 R8884 2015