Maybury, Robert H. <br/><br/>
Technical assistance and innovation in science education / 
Robert H. Maybury. 
 - New York :  J. Wiley,  1975. 
 - ix, 210 p. 
 - Science education .
<br/><br/><label>Encabezamiento--Tema: </label><br/>EDUCACION ---INNOVACIONES ---ESTADOS UNIDOS