Helmstadter, G. C., <br/><br/>
Principles of psychological measurement / 
 Psychological measurement 
By g. c. helmstadter 
 - 248 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psicometría
<br/><br/><label>LC Class. No.: </label>BF39  / H45