Clark, Colin  x <br/><br/>
The economic of subsistence agriculture  x 

 - x 
 - London  Macmillan  1967 
 - viii,245p 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture-Economic Aspects Haswell, Margaret 
<br/><br/><label>Dewey Class. No.: </label>631/CLE