Implementation of curricula in science education  : report of an international   seminar on the implementation of curricula in science education  
Unesco 
 - Paris  Unesco  1974 
 -  207p. 
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>3794052226 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-Study and teaching-Congresses
<br/><br/><label>Dewey Class. No.: </label>500.7  / UNI