Comber, L. C. <br/><br/>
Science education in nineteen countries 

 - New York :  Wiley,  1973 
 - 403 p. 
 - International studies in evaluation  ; 1 .
 - International studies in evaluation  ; 1 .
<br/><br/><label>LCCN: </label>22379 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciencia--Estudio y enseñanza.
<br/><br/><label>Dewey Class. No.: </label>507  / C67