Sustainable agriculture and food / 
edited by Jules Pretty. 
 - 4 volume. :  illustrations., maps ;  25 cm. 
 - Earthscan reference collection .
<br/><br/>Includes bibliographical references and indexes 
<br/><br/>v. 1. History of agriculture and food -- v. 2. Agriculture and the environment -- v. 3. Agriculture and food systems -- v. 4. Policies, processes and institutions. 
<br/><br/><label>ISBN: </label>9781844074082 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable agriculture<br/>Food supply