The farming systems approach to development and appropriate technology generation / 
D.W. Norman ... [et al.]. 
 - Rome :   Food and Agriculture Organization of the United Nations,   1995. 
 - xii, 229 p. :   ill. ;   30 cm. 
 - .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9251036446 9789251036440 
<br/><br/><label>Subjects--Topical Terms: </label>-- Agricultural systems.--Alternative agriculture.--Agriculture--Technology transfer.
<br/><br/><label>LC Class. No.: </label>S494.5