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1Incentives in soil conservation: from theory to practice Incentives in soil conservation: from theory to practiceby Sanders, D.V. (ed.), World Association of Soil and Water Conservation, Volga, SD (USA) eng, Huszar, P.C. (ed.), Sombatpanit, S. (ed.), Enters, T. (ed.)
Published 1999Texto bibliotecaFAO IT