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3
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A sanitation field manual / [by John M. Kalbermatten, DeAnne S. Julius, and Charles G. Gunnerson].
- World bank. Transportation, water and telecommunications department,
- 1980.
- Washington, DC :
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A summary of technical and economic options / [by John M. Kalbermatten, DeAnne S. Julius, and Charles G. Gunnerson].
- World bank. Transportation, water and telecommunications department,
- 1980.
- Washington, DC :
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Sociocultural aspects of water supply and excreta disposal / [by Mary Elmendorf and Patricia Buckles].
- 875
- World bank. Transportation, water and telecommunications department,
- 1980.
- Washington, DC :