Johnson, Art. <br/><br/>
Guiding children's learning of mathematics / 
Art Johnson, Steve Tipps, Leonard M. Kennedy. 
 - 13th edition. 
 - xxii,589p.:  ill.;  27 cm 
<br/><br/><label>ISBN: </label>9781305960664 (student edition) 9781305960671 (instructor edition) 9781305960688 (looseleaf edition) 
<br/><br/><label>Source: </label>R-33480 
<br/><br/><label>LCCN: </label>2016936078 
<br/><br/><label>LC Class. No.: </label>QA13  / .K46  2008