Kiley-Worthington, Marthe. Eco-agriculture : food first farming : theory and practice / M arthe Kiley-Worthington. - London : Souvenir Press, 1993. - x, 276 p., [16] p. of plates : ill., maps ; 23 cm. Includes bibliographical references (p. [255]-269). ISBN: 0285631179 Subjects--Topical Terms: Agricultural ecology.Agropastoral systems.Agropastoral systems--Developing countries.Sustainable agriculture. Dewey Class. No.: 630.2745