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		Renewable energy sources for rural water supply / E. H. Hofkes and J. T. Visscher. by Hofkes, E. H \| Visscher, J. T \| International Reference Centre for Community Water Supply and Sanitation. Series: Technical paper (IRC International Water and Sanitation Centre ) ; no. 23Material type: Text; Format: print Publication details: The Hague : International Reference Centre for Community Water Supply and Sanitation, 1986Availability: Items available for loan: WHO HQ (1)Call number: WA 675 86HO. Place hold Add to cart (remove)
		Slow sand filtration for community water supply : planning, design, construction, operation and maintenance / J. T. Visscher ... [et al.] by Visscher, J. T \| International Reference Centre for Community Water Supply and Sanitation. Series: Technical paper (IRC International Water and Sanitation Centre ) ; no. 24Material type: Text; Format: print Publication details: The Hague : International Reference Centre for Community Water Supply and Sanitation, 1987Availability: Items available for loan: WHO HQ (1)Call number: WA 675 87SL. Place hold Add to cart (remove)

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