Bartz, Albert E. <br/><br/>
Elementary statistical methods for educational measurement / 
by Albert E. Bartz 
 - Minneapolis :  Burgess Pub.,  1966 
 - 109 p. ;  23 cm. 
<br/><br/><label>LCCN: </label>63-015713 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational statistics