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3Texto bibliotecaFAO IT
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5Texto bibliotecaFAO IT
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6The ecology and utilization of African inland waters The ecology and utilization of African inland watersby Symoens, J.J. (ed.), UNEP, Nairobi (Kenya) eng, Gaudet, J.J. (ed.), Burgis, M. (ed.)
Published 1981Texto bibliotecaFAO IT -
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8by Dellere, R. (ed.), Technical Centre for Agricultural and Rural Co-operation, Wageningen (Netherlands) eng, Symoens, J.-J. (ed.), Royal Academy of Overseas Sciences, Brussels (Belgium) eng
Published 1991Texto bibliotecaFAO IT -
9Intensification agricole et environnement en milieu tropical Intensification agricole et environnement en milieu tropicalby Dellere, R. (ed.) 1423211777028, Centre Technique de Coopération Agricole et Rurale, Wageningen (Netherlands) fre 412493, Symoens, J.-J. (ed.) 1423211777029, Académie Royale des Sciences d'Outre-Mer, Brussels (Belgium) fre 34920
Published 1991Texto bibliotecaFAO IT -
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18by Symoens, J.-J. 1423211777029, Académie Royale des Sciences d'Outre-Mer, Brussels (Belgium) fre 34920, Micha, J.-C. (ed.) 1423211782385, Technical Centre for Agricultural and Rural Cooperation, Wageningen (Netherlands) eng 411021, FAO, Rome (Italy). Fisheries Dept. eng 184263
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