Martin, David Jerner <br/><br/>
Elementary science methods :  a constructivist approach / 
David Jerner Martin 
 - 6th ed. 
 - Belmont, CA :  Thomson/Wadsworth,  2012 
 - 477 p. :  ill. 
<br/><br/><label>ISBN: </label>9781111305437  /  9150.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)--United States<br/>Constructivism (Education)--United States
<br/><br/><label>LC Class. No.: </label>LB1585.3  / M376 E6 2012