Guidelines for the conduct of a training course in farming systems development 

 - Food and Agriculture Organization of the United Nations.   Rome  1990 
 - 259p.  Fig and Table 
<br/><br/><label>ISBN: </label>92-5-103249-1 
<br/><br/><label>Nat. Bib. No.: </label>6669 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631  / GUI