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The East African red book 1930-31 : handbook and directory for Kenya colony and protectorate, Uganda protectorate, Tanganyika territory and Zanzibar / comp. by the East African standard.
- 864.5-7
- East African standard,
- 1930.
- Nairobi :
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Repellent banding to control the ants attending the common coffee mealy-bug / by H.C. James.
- Department of agriculture,
- 1930.
- Nairobi :
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Methods for the biological control of the common coffee mealy-bug / by H.C. James.
- Department of agriculture,
- 1930.
- Nairobi :