Psacharopoulos George ed <br/><br/>
Information    an essential factor in educational planning and policy 

 - Paris  Unesco         1980 
 - 302p.  cm. 
<br/><br/><label>Standard No.: </label>149,088 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T:80b2:97, M0