Guion Robert M <br/><br/>
Personnel testing. 

 - New York     McGraw-Hill        1965 
 - 585p.  cm. 
<br/><br/><label>Standard No.: </label>32531 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S0bX:9, K5