International Scientific Conference of IFOAM (9th: 1992: Sao Paulo, Brazil)   <br/><br/>
Organic agriculture: a key to a sound development and a sustainable environment  (Book) 

 - Theley  International Federation of Organic Agriculture Movements  1992 
 - 438p.  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Environmental management--Congresses Organic farming--Sustainable development--Congresses
<br/><br/><label>Universal Decimal Class. No.: </label>631.8 INT  / 7959