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| Firstname: | S. N. |
| Surname: | Lyonga |
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| Traditional yam cropping inthe Sudan savanna of Cameroon, Pfeiffer, H. and Lyonga, S. N., in: Tropical Root Crops: Root Crops and the African Food Crisis: Proceedings of the Third Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch, pages -61p., IDRC, Ottawa, 1987. |
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| Country Reports: Cameroon, Pfeiffer, H. and Lyonga, S. N., in: Root Crops in Eastern Africa. Proceedings of a workshop, pages 89-94, 1982. |
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