Fresco, Louise <br/><br/>
Farming systems analysis: an introduction 

 - Wageningen  University. Department of Tropical Crop Science  1988 
 - 28p.  29cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems
<br/><br/><label>LC Class. No.: </label>EAF QTO S494.5.P75F74