Butts, David P. <br/><br/>
A summary of research in science education 1979 
David P. Butts 
 - New York  John Wiley & Sons  1981 
 - 465p.; 27cm. 
 - Science education  v.65 (4) .
<br/><br/><label>ISBN: </label>0471865877 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research<br/>Education--Study and teaching