Leigh, Duane E. <br/><br/>
An analysis of the determinants of occupational upgrading / 
Duane E. Leigh 
 - New York :  Academic Press,  1978 
 - Institute for Research on Poverty monograph series .
<br/><br/>Bibliography: p.181-185 
<br/><br/><label>ISBN: </label>0124428509 
<br/><br/><label>LCCN: </label>78-3343 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupational mobility--United States<br/>Occupational training--United States<br/>Education--Economic aspects--United States<br/>Afro--Americans--Employment