Science methods for elementary and middle school teachers / 
William J. Bluhm ... [et al.] 
 - 2nd ed. 
 - Illinois :  Stipes Publishing L. L. C.,  2003 
 - iv, 286 p. :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>1588742296  RM115.19 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (ELementary)--United States<br/>Science--Study and teaching (Middle school)--United States