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2
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After ujamaa : farmer needs, nurseries and project sustainability in Mwanza, Tanzania / Christian Guggenberger, Patrick Ndulu and Gill Shepherd.
- ODI. Agricultural administration unit,
- 1989.
- London :
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Fodder trees, nurseries and their central role in the hill-farming systems of Nepal / Patrick Robinson and Ian Thompson.
- ODI. Agricultural administration unit,
- 1989.
- London :