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2Tsetse flies and livestock development in East Africa; a study in environmental economics Tsetse flies and livestock development in East Africa; a study in environmental economicsby Jahnke, H.E., Ifo-Institut fuer Wirtschaftsforschung, Muenchen (Germany, F.R.) ger
Published 1976Texto bibliotecaFAO IT -
3by Bohnet, M., Ifo-Institut fuer Wirtschaftsforschung, Muenchen (Germany, F.R.) ger, Betz, R.
Published 1976Texto bibliotecaFAO IT