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| Firstname: | J. |
| Surname: | Degand |
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| Measurement of the sustainability of African smallholder farming systems: case study of a systems approach*, Manyong, V. and Degand, J., in: IITA Research, number 14/15, pages 1-6, ISSN 1115-3067, 1997. |
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| Sustainability of African smallholder farming systems: case study of highland areas of Central Africa, Manyong, A. M. and Degand, J., in: Journal of Sustainable Agriculture, volume 6, number 4, pages 17-42, ISSN 1044-0046, 1995. [DOI] |
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