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		No cover image available Ventilated improved pit latrines : Zimbabwean brick designs / Peter R. Morgan and D. Duncan Mara. by Morgan, Peter R \| Mara, David Duncan \| World Bank \| United Nations Development Programme \| International Drinking Water Supply and Sanitation Decade. Series: TAG discussion paper ; no. 1Material type: Text; Format: print Publication details: Washington, D.C. : World Bank, 1985Availability: Items available for loan: WHO HQ (1)Call number: WA 830 85MO. Place hold Add to cart (remove)
		No cover image available The design of small bore sewer systems / by Richard J. Otis and D. Duncan Mara. by Otis, Richard J \| Mara, David Duncan \| World Bank \| United Nations Development Programme \| International Drinking Water Supply and Sanitation Decade. Series: TAG technical note ; no. 14Material type: Text; Format: print Publication details: Washington, D.C. : World Bank, 1985Availability: Items available for loan: WHO HQ (1)Call number: WA 785 85OT. Place hold Add to cart (remove)
		No cover image available The design of pour-flush latrines / D. Duncan Mara. by Mara, David Duncan \| World Bank \| United Nations Development Programme \| International Drinking Water Supply and Sanitation Decade. Series: TAG technical note ; no. 15Material type: Text; Format: print Publication details: Washington, D.C. : World Bank, 1985Availability: Items available for loan: WHO HQ (1)Call number: WA 830 85MA. Place hold Add to cart (remove)

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