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| Firstname: | J. |
| Surname: | Zeddies |
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| Economics of biological control of cassava mealybug in Africa, Zeddies, J., Schaab, R. P., Neuenschwander, P. and Herren, H. R., in: Agricultural Economics, volume 24, number 2, pages 209-219, ISSN 0169-5150, 2001. |
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| Economic analysis of crop-livestock integration in the northern Guinea savannah of Nigeria, Ndubuisi, A., Zeddies, J., Manyong, V. and Smith, J., in: Der Tropenland, Beitrage zur tropischen Landwirtschaft und Veterinarmedizin, volume 101, pages 69-83, 2000. |
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| Crop–livestock integration along the gradient of resource-use intensification in the northern Guinea savanna of Nigeria, Ndubuisi, A., Zeddies, J., Manyong, V. and Smith, J., in: Quarterly Journal of International Agriculture, volume 37, pages 105-115, 1998. |
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