Currie, R.M.  <br/><br/>
Work study / 
R.M. Currie C.B.E. revised by Joseph Faraday. 
 - 324 p. :  ill. 
<br/><br/><label>ISBN: </label>0273009591 
<br/><br/><label>Dewey Class. No.: </label>658.542