Holsworth, W. N. <br/><br/>
Ecological principles for rural agricultural development 
W. N. Holsworth 
 - Nairobi  United Nations Environmental Programme  1974 
 - 7p.  30cm. 
 - Paper; 5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Agricultural development, <br/>Rural development
<br/><br/><label>LC Class. No.: </label>EAF QTO HN800.E2W65 No.5