Takken, H. K. a. W. The environmental impact of tsetse control operations A report on present knowledge. FAO.
Lua i Stíl Chicago (17ú heag.)Takken, H.J. Koeman and W. The Environmental Impact of Tsetse Control Operations A Report on Present Knowledge. FAO.
Lua MLA (8ú heag.)Takken, H.J. Koeman and W. The Environmental Impact of Tsetse Control Operations A Report on Present Knowledge. FAO.
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