Butter Michael <br/><br/>
Cycles of disadvantages    Review of research    

 - London  Heinemann            1977 
 - 413p  cm. 
<br/><br/> Bibliography : P 328-396 
<br/><br/><label>ISBN: </label>0 435 82852 5 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:4:5, L7