Popham, W James <br/><br/>
Educational statistics / 
by  W James Popham  
 - London :  DC health company,  1974. 
 - 340p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370  / POP.E