Psacharopoulos, George <br/><br/>
Returns to education :  an international comparison / 
by George Psacharopoulos 
 - New York :  Elsevier Scientific Publishing Company,  1973. 
 - 216p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370  / PSA.R