VanLoon, Gary W. Agricultural sustainability : strategies for assessment / Gary W. vanLoon, S.G. Patil, L.B. Hugar. - New Delhi : Sage Publications, c2005. - 281 p. : ill., maps ; 23 cm. Includes bibliographical references and index. ISBN: 0761933409 (Hb) Subjects--Topical Terms: Sustainable agriculture.Sustainable development. LC Class. No.: S494.5 / .V36 2005 Dewey Class. No.: 338.1