Perspectives on farming systems, research and extension/ 
edited by Peter E. Hildebrand 
 - Borlder, colorado:  Lynne Rienner Pub,  1986 
 - xiv, 166 p.:  ill.;  23 cm. 
<br/><br/><label>ISBN: </label>0861876695  £ 41.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems<br/>Agricultural Systems--Research<br/>Agricultural extension work<br/>Agricultural innovations<br/>Family forms
<br/><br/><label>Dewey Class. No.: </label>630.717