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

 - Paris  ; Unesco  , 1980 
 - 303p. 
<br/><br/><label>ISBN: </label>9231016687  F 50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370  / PSA