Krajick, Joseph S. <br/><br/>
Teaching science in elementary and middle school: a project - based approach / 
Krajick, Joseph S. 
 - 4th ed. 
 - New York:  Routledge Taylor and Francis Group,  2014. 
 - xvi, 403p.;24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780415534055 
<br/><br/><label>Dewey Class. No.: </label>372.35 KRA