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2
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Diseases and pests of sweet potato : South-East Asia, the Pacific and East Africa / Jillian M. Lenné.
- Natural resources institute,
- 1991.
- Chatham, Great Britain :
-
Diseases of nitrogen fixing trees in developing countries : an annotated list / Eric Boa and Jillian Lenné.
- Natural resources institute,
- cop. 1994.
- Chatham :