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Surface Water Treatment for communication in developing countries : Prepared for the Water and Sanitation for Health (WASH) project of the United States Agency for International Development
Schulz, Christopher R., (1984)
Wasser und Entwicklung in der Dritten Welt : Probleme der Knappheit und Verschmutzung
Simonis, Udo E., (1990)
Water quality issues in developing countries
Markandya, Anil, (2006)
Financing the planning and development of water resources
Fano, Enzo, (1982)
Issues in groundwater economics
Fano, Enzo, (1988)
The role of U. S. aid in the economic development of Thailand
Brewster, Marcia, (1971)