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3Fish-farmers in rural communities: evaluation of questionnaires and survey routines used during a pilot survey in the Northern Province of Zambia (October 1987) Fish-farmers in rural communities: evaluation of questionnaires and survey routines used during a pilot survey in the Northern Province of Zambia (October 1987)Texto bibliotecaFAO IT
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8Texto bibliotecaFAO IT
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9Texto bibliotecaFAO IT
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11Developpement de la pisciculture au Gabon. Rapport d'une mission relative a la formulation d'un plan d'action, 15 janvier - 14 fevrier 1980 Developpement de la pisciculture au Gabon. Rapport d'une mission relative a la formulation d'un plan d'action, 15 janvier - 14 fevrier 1980Texto bibliotecaFAO IT
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13by Wijkstroem, U.N., International Development Research Centre, Ottawa, Ontario (Canada) eng, Powles, H. (ed.)
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