Penn, Roger, <br/><br/>
Skill and Occupational Change : 

 -  OUP Oxford,  1994. 
 - 386 pages 
<br/><br/><label>ISBN: </label>9780198279280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business & Economics.
<br/><br/><label>Dewey Class. No.: </label>331.12720  / PEN