Directory of Educational Documentation and Information Services 

 - Paris:  Unesco,  1982. 
 - 106p.;  21cm 
<br/><br/><label>ISBN: </label>9230020265 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.025  / DIR