Power math: 30 Powerful Principles for Building Math & Numeracy Skills  
Power math 30 Powerful Principles for Building Math Numeracy Skills 
 -  279p. 20cm: pbk. 
 - Chennai  Jaico Publishing House  2017 
<br/><br/><label>ISBN: </label>9788184957303 
<br/><br/><label>Dewey Class. No.: </label>513.2076 ROY  / 22.513.2076 ROY