Butts, David P. <br/><br/>
Teaching science in the elementary school /  
by David P. Butts. 
 - New York :    Free Press,    1973. 
 - x, 199 p. ;    22 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Science -- Study and teaching (Elementary).
<br/><br/><label>Dewey Class. No.: </label>372.35 BUT