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Food security effects of intensified dairying : evidence from the Ethiopian highlands
F.K. Tangka, R.D. Emerson and M.A. Jabbar...
Bok Engelsk 2002
Gender roles and child nutrition in livestock production systems in developing countries : a critical review
F.K. Tangka, M.A. Jabbar and Shapiro, B.I...
Bok Engelsk 2000