Winegarden, Calman Robert, 1918-  Winegarden, Calman Robert, 1918- <br/><br/>
Determinants of international differences in educational effort / 
by C.R. Winegarden. 
 - Ann Arbor, MI :  Center for Research on Economic Development, University of Michigan,  1972. 
 - Discussion paper - Center for Research on Economic Development ;  25 .
 - Discussion paper (University of Michigan. Center for Research on Economic Development) ;  no. 25. .
<br/><br/> Reproduced from typewritten copy. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education.