Psacharopoulos, George <br/><br/>
Estimating shadow rates of return to investment in education  / 

 - no. 1 
 -     1970 
 - 
 - Winter 
 -  v.5 London School of Economics and Political Science, higher education research unit reprint series, no. 31 .
<br/><br/><label>Dewey Class. No.: </label>378.107 P974.ES