Re˜ntjes, Coen <br/><br/>
Farming for the future :  an introduction to low-external input and sustainable agriculture 

 - Leusden :  Macmillan :  Information centre for low-external-input and sustainable agriculture-ILEIA,  1992 
 - xxi-250 p: :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agronomie<br/>Ecologie<br/>Développement