Allen, M. J. <br/><br/>
Introduction to measurement theory/ 
Mary J. Allen and wendy M. Yen 
 - California:  Wadsworth,  1979. 
 - x, 310p.:  ill.;  24 cm. 
<br/><br/> Includes references and index. 
<br/><br/><label>ISBN: </label>0818502835 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychometrics Introduction to measurement theory 
<br/><br/><label>LC Class. No.: </label>DUCE BF39.A44