W.W. Shaner <br/><br/>
Farming systems research and development : Guidelines for developing countries 

 - Boulder  Westview Press  1982 
 - 414p 
<br/><br/>W.W. Shaner; P.F. Philipp & W.R. Schmehl: Farming systems research and development : Guidelines for developing countries.  Boulder.  Westview Press, 1982. 0-86531-425-x--(631.07201724SHA)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-86531-425-x 
<br/><br/><label>Dewey Class. No.: </label>631.0720172  / SHA