Science Education 61 

 - New York  Interscience  Jul. / Set. 1977 
 - 430 
 - 20091207 
 - Science Education  61 .
<br/><br/><label>ISSN: </label>1679-656X 
<br/><br/><label>Dewey Class. No.: </label>SED 2009  / 2009