Ecofarming practices for tropical small holdings   
ed. by Johannes Kotschi. 
 - Weikershiem  Verlag Josef Margraf  1990 
 - 185p 
 - Tropical Agroecology  5 .
<br/><br/><label>ISBN: </label>3823611844 
<br/><br/><label>Dewey Class. No.: </label>630.2745  / N902