Krajcik, Joseph S. <br/><br/>
Teaching children science :  a project-based approach / 

 - Boston :  McGraw-Hill,  c1999. 
 - xiv, 338 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0070360073 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>507 MCG 1999 A027 Or.