Shaner, W. W. <br/><br/>
Farming systems research and development  

 - Colorado  Westview Press  1981 
 - 414 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developing countries; Agricultural systems
<br/><br/><label>Dewey Class. No.: </label>338.1091724  / Sh184f 1981