Kohl, Benjamin <br/><br/>
Agricultural administration (Research and Extension) Network paper 29 - protected horticultural system in the Bolivian andes: A C 

 - London  O D A  1991 
 - 30p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture - Horticultural Systems, N G Os, Boliv