Nagy, Jozsef <br/><br/>
The hungarian experience of OOK :  An instrument for the development of educational technology / 
Nazy Jozsef 
 - Paris:  UNESCO,  1980. 
 - 101p.; 
 - Experiments and innovations in education,  no.43 .
<br/><br/> Includes bibliography. 
<br/><br/><label>ISBN: </label>9231018728 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology