Technical and economic criteria for media selection and planning in educational institutions. 

 - Paris :  [New York, NY :  Unesco ;  Unipub, distributor],  1984. 
 - 81 p. :  ill. ;  30 cm. 
 - Educational studies and documents ;  new ser., no. 48 .
<br/><br/><label>ISBN: </label>9231022342 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology x Statistics.<br/>Educational broadcasting x Statistics.
<br/><br/><label>LC Class. No.: </label>LB1028.3  / .T396 1984 
<br/><br/><label>Dewey Class. No.: </label>371.3/07/8�19