Burgen, J.M.  <br/><br/>
Focus :  key concepts in general studies / 
J.M. and A.D. Burgen. 
 - Cheltenham :  Stanley Thornes,  c 1984. 
 - 155 p. :  ill. 
<br/><br/><label>ISBN: </label>0859501647 9780859501644 
<br/><br/><label>Dewey Class. No.: </label>001