Butts, David <br/><br/>
The teaching of science  a self-directed planning guide 
David Butts 
 - New York  Harper & Row  c. 1974 
 - 265p.:  illus. ;  23cm 
<br/><br/><label>ISBN: </label>0060411023  
<br/><br/><label>LCCN: </label>5607 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.35044/B988t