Inventions of apparatus and materials for teaching science 

 - Paris  UNESCO    1954 
 - 147 
<br/><br/>Vol. III, Part 4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Education<br/>  Technical education
<br/><br/><label>Dewey Class. No.: </label>370.5  / I266