Berg, Elliot J <br/><br/>
Backward-Sloping Labor Supply Functions In Dual Economies - The Africa Case 

 - New Jersey  Princeton University  1961 
 - 468-492p 
 - Studies In Labor And Industrialization Reprint .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>No.27