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1Assessment of the economic impact of sorghum variety S 35 in Chad Assessment of the economic impact of sorghum variety S 35 in Chadby Yapi, A.M., International Crops Research Inst. for the Semi-Arid Tropics, Patancheru (India) eng, Dehala, G., Ngawara, K., Issaka, A.
Published 1999Texto bibliotecaFAO IT -
2Impact of germplasm research spillovers: the case of sorghum variety S 35 in Cameroon and Chad Impact of germplasm research spillovers: the case of sorghum variety S 35 in Cameroon and Chadby Yapi, A.M., International Crops Research Inst. for the Semi-Arid Tropics, Patancheru (India) eng, Debrah, S.K., Dehala, G., Njomaha, C.
Published 1999Texto bibliotecaFAO IT -
3Analysis of the economic impact of sorghum and millet research in Mali Analysis of the economic impact of sorghum and millet research in Maliby Yapi, A.M., International Crops Research Inst. for the Semi-Arid Tropics, Patancheru (India) eng, Kergna, A.O., Debrah, S.K., Sibide, A., Sanogo, O.
Published 2000Texto bibliotecaFAO IT -
4Rehabilitation of degraded lands in Sub-Saharan Africa: lessons learned from selected case studies Rehabilitation of degraded lands in Sub-Saharan Africa: lessons learned from selected case studiesby Blay, D., Forestry Research Network for Sub-Saharan Africa, Nairobi (Kenya) eng, Bonkoungou, E., Chamshama, S.A.O., Chikamai, B., Wood, P. (ed.), Yapi, A.M. (ed.), International Union of Forestry Research Organizations, Vienna (Austria). Special Programme for Developing Countries eng
Published 2004Texto bibliotecaFAO IT