Clark, Colin <br/><br/>
Economics of subsistence agriculture 
by Colin Clark and Margaret Haswell 
 - London  Macmillan  1964 
 - 218p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture --Economic aspects
<br/><br/><label>Dewey Class. No.: </label>Z4 C547