Lewis, D G <br/><br/>
Statistical methods in education / 
by D G Lewis 
 - London :  University of London,  19697. 
 - 198p. : 
<br/><br/><label>ISBN: </label>340078693 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.28  / LEW.S