"Hopke,William P" <br/><br/>
Encyclopedia career & vocational guidance: Vol. 1 

 - Chicago  J.G. Ferguson  1989 
 - 530 
 -  Vol. 1 .
<br/><br/><label>ISBN: </label>0894341499 
<br/><br/><label>Dewey Class. No.: </label>030  / 115