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Demo, P. ,  Lemaga, B. ,  Kakuhenzire, R. ,  Schulz, S. ,  Borus, D. ,  Barker, Ian ,  Woldegiorgis, G. ,  Parker, M. ,  Schulte-Geldermann, Elmar ,  [Strategies to improve seed potato quality and supply in sub-Saharan Africa: Experience from interventions in five countries.] ,  Strategies to improve seed potato quality and supply in sub-Saharan Africa: Experience from interventions in five countries.

Woldegiorgis, G. ,  Hailemariam, G. ,  Lemaga, B. ,  Schulz, S. ,  [Quality seed potato production: Experience from the highlands of Ethiopia.] ,  Quality seed potato production: Experience from the highlands of Ethiopia.

Mbiri, D ,  Schulte-Geldermann, Elmar ,  Otazu, V ,  Kakuhenzire, R. ,  Demo, P. ,  Schulz, S. ,  [An alternative technology for pre-basic seed potato production - sand hydroponics.] ,  An alternative technology for pre-basic seed potato production - sand hydroponics.

Mazengia, W. ,  Schulte, R. ,  Tadese, Y. ,  Griffin, D. ,  Schulz, S. ,  Struik, Paul C. ,  [The farming systems of potential potato production areas of Chencha, southern Ethiopia.] ,  The farming systems of potential potato production areas of Chencha, southern Ethiopia.