Transfer of educational materials  report of an Expert Meeting on Possibilities of International Co-operation in the Exchange of Educational Materials, Hanover, March 15-16, 1972 

 - Koln  Deutsche UNESCO-Kommission  1973 
 - 128 p. ; 21 cm. 
<br/><br/><label>ISBN: </label>379405217X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational exchanges--Congresses<br/>Communication in education--Congresses