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Amoah, Philip ,  Adamtey, N. ,  Cofie, Olufunke O. ,  [Effect of urine, poultry manure, and dewatered faecal sludge on agronomic characteristics of cabbage in Accra, Ghana] ,  Effect of urine, poultry manure, and dewatered faecal sludge on agronomic characteristics of cabbage in Accra, Ghana

Drechsel, Pay ,  Keraita, Bernard N. ,  Amoah, Philip ,  [Safer irrigation practices for reducing vegetable contamination in urban Sub-Saharan Africa: an illustrated guide for farmers and extension officers.] ,  Safer irrigation practices for reducing vegetable contamination in urban Sub-Saharan Africa: an illustrated guide for farmers and extension officers.

Bellwood-Howard, I. ,  Amoah, Philip ,  Zakaria, R. ,  Veenhuizen, René van ,  [Experiences from stakeholder dialogues in Tamale, northern Ghana] ,  Experiences from stakeholder dialogues in Tamale, northern Ghana