Vanloon, Gary W. Agricultureal Sustainability : Strategies for Assessment / by Gary W. Vanloon, S.G. Patil and L.B. Hugar - New Delhi: SAGE Publication , 2005. - 281p. ISBN: 817829477x Subjects--Topical Terms: AgricultureEconomics EcosystemSustainable Development Dewey Class. No.: 338.1 / VAN/A