WHARTON C R <br/><br/>
Subsestence agriculture and economic development. 

 - Chicago  Aldine publishing company          1969 
 - xiii,481p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(J):77p1,N65, K9/TD3