International Planning Workshop for a Desert Margins Initiative <br/><br/>
Combating land degradation in Sub-Saharan Africa : summary proceding of the International Planning Workshop     for a Desert margins initiative 

 - 45 páginas 
<br/><br/><label>ISBN: </label>92-9066-228-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Degradacion de Suelos<br/>Desertificacion<br/>Africa al Sur del Sahara