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	1.	No cover image available No cover image available No cover image available Sewage treatment in hot climates by Mara, David Duncan ill Material type: Text; Format: print ; Literary form: Not fiction Publication details: London ; John Wiley and Sons ; 1976 Availability: No items available. Lists: Mara Articles. Add to cart (remove)
	2.	No cover image available No cover image available No cover image available The design of small bore sewer systems David Duncan Mara by Mara, David Duncan [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington The World Bank 1985 Availability: Items available for loan: Directorate of Library Services (UDSM) (2)Collection, call number: IRA-Institute of Resources Assessment IRA TD741.073, ... Lists: Mara Articles. Place hold Add to cart (remove)
	3.	No cover image available No cover image available No cover image available The design of pour flush latrine by Mara, David Duncan [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington DC: 1985 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: IRA-Institute of Resources Assessment IRA TD775.M37. Lists: Mara Articles. Place hold Add to cart (remove)
	4.	No cover image available No cover image available No cover image available The design of ventilated improved pit latrine by Mara, David Duncan [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington DC: The World Bank, 1984 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: IRA-Institute of Resources Assessment IRA TD775.M36 1984. Lists: Mara Articles. Place hold Add to cart (remove)
	5.	No cover image available No cover image available No cover image available Sanitation alternative for low income communitiesa brief introduction by Mara, David Duncan [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington DC: The World Bank, 1982 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: IRA-Institute of Resources Assessment IRA TD353.M3. Lists: Mara Articles. Place hold Add to cart (remove)
	6.	Landscape analysis and visualisation : spatial models for natural resource management and planning by Pettit,Christopher [Author] William. Cartwright Lan. Bishop Kim. Lowell David. Pullar David Duncan Material type: Text Publication details: London :Spinger, 2008 Availability: Items available for loan: Directorate of Library Services (UDSM) (2)Collection, call number: Social Sciences Collection G70.212.P48 2008, ... Place hold Add to cart (remove)