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Water and Wastewater Services in the Danube Region : Serbia Country Note
关键词:
WASTEWATER
年份:
2015
摘要:
; sector identified through the sector sustainability assessment are the level of investment, wastewater treatment
Water and Wastewater Services in the Danube Region : Slovakia Country Note
关键词:
WASTEWATER
年份:
2015
摘要:
of investment, the operating cost ratio and the wastewater treatment coverage.

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