Nunnally Jum C <br/><br/>
Psychometric theory. 

 - 2 
 - New Delhi  Tata McGraw-Hill Publishing      1978 
 - xv701p.  cm. 
<br/><br/><label>Standard No.: </label>36897 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S:3:6, L8