Popham, W. James <br/><br/>
Educational statistics; use and interpretation / 
by W. James Popham and Kenneth A. Sirotnik 
 - 2nd ed. 
 - New York :  Harper & Row,  1973 
 - viii, 413 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0060452528 
<br/><br/><label>LCCN: </label>72-087881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational statistics