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

 - Wegeningen  Wageningen Agricultural University  1988 
 - 28p.  28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture systems
<br/><br/><label>LC Class. No.: </label>EAF PAM QTO S494.5.F37