Resultados de búsqueda - Tiffen, M.

Variability in water supply, incomes and fees: illustrations of vicious circles from Sudan and Zimbabwe por Tiffen, M.

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The dominance of the internal rate of return as a planning criterion and the treatment of O&M costs in feasibility studies por Tiffen, M.

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Groundwater management: equity, feasibility and efficiency por Toulmin, C., Tiffen, M.

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