Simmons, John <br/><br/>
Retention of cognative skills acquired in primary school 
by John Simmons 
 - Washington, D.C  IBRD  1977 
 - 79-93p. 
<br/><br/> Reprint from Comparative Education Review, Feb.1976 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Primary
<br/><br/><label>Dewey Class. No.: </label>P422 In8