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1Policies for sustainable agricultural resource management and food security Policies for sustainable agricultural resource management and food securityby Dixon, J.M., International Symposium on Sustainable Farming Systems eng 11-16 Nov 1996 14 Colombo (Sri Lanka), Ranaweera, N.F.C., Maurer, M., Gunasena, H.P.M. (ed.), Senanayake, Y.D.A. (ed.)“...Peradeniya (Sri Lanka) AFSA...”
Published 1998
Texto bibliotecaFAO IT