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1.
Appropriate technology for water supply and sanitation Night-soil composting by
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Publication details: World BanK Washington 1981
Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1).

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Appropriate technology for water supply and sanitation a sanitation field manual by
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Publication details: World BanK 1980
Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1).

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