Dubin S S Ed. <br/><br/>
Professional obsolescence. 
Dubin S S Ed. 
 - London  English Universities Press       1971 
 - 121p.  cm. 
<br/><br/><label>Standard No.: </label>35709 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>T9(Y4)p1,N70, L1