Search Results       Your search for [subject]Sewage -- Purification -- Economic aspects returned 1 record.           Economic issues in the design and analysis of a wastewater treatment project. by Dole, David; Manila: Asian Development Bank, 2002. Subject: Sewage -- Purification -- Economic aspects; Water-supply -- Economic aspects; Sewage -- Purification -- Economic aspects -- China; Sewage disposal plants -- Economic aspects; Sewage disposal plants -- Economic aspects -- China.          Add to Book Cart Relevance: 25.63%