A history of farming systems research / 
edited by M. Collinson. 
 - Rome ;  New York :  Food and Agriculture Organization of the United Nations ;  CABI Pub.,  2000. 
 - xvi, 432 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0851994059 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems--Research--History.