Nannally Jum C. Au. <br/><br/>
Psychometric theory. 
Nannally Jum C. Au. 
 - New Delhi  Tata McGraw Hill      1978 
 - xv,701p  cm. 
<br/><br/><label>Standard No.: </label>99214 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S:3:6, L8