Esler, William K. <br/><br/>
Teaching elementary science 
William K. Esler, Mary K. Esler. 
 - 3rd ed. 
 - Belmont, Calif.  Wadsworth Pub. Co.  1981 
 - vii, 504 p.  ill. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0534009131 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>LB1585  / .E84 1989 
<br/><br/><label>Dewey Class. No.: </label>372.3/5044