New Educational media in action: Case studies for planners i 

 - France:  Unesco,  1967. 
 - 203p.;  25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>educational media<br/>Mahinda Ranaweera Collection
<br/><br/><label>Dewey Class. No.: </label>371.335  / EDU