An introduction to sustainable agriculture /  
edited by SB Jeffrey. 
 - [n.p.] :  Webster’s Digital Services,  c 2011. 
 - 112 p. :   ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9781241036171 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable agriculture.
<br/><br/><label>Dewey Class. No.: </label>631.5  / INT 2011