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Reference manuals, videos, and links
==Reference manuals, videos, and links==
* [http://www.unep.or.jp/ietc/publications/techpublications/techpub-8a/sand.asp Sand Abstraction]. Sourcebook of Alternative Technologies for Freshwater Augumentation in Africa. United Nations Environment Programme.
* [http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0CDcQFjAB&url=http%3A%2F%2Fwww.ijest.info%2Fdocs%2FIJEST11-03-01-093.pdf&ei=eAB_T-bNMeTfiAKZtoH0Ag&usg=AFQjCNE5fvsBiHjyMK9xwYxL9qwsE094kw&sig2=vg0VXVBOW94zSxFkv-LoFQ Evaluation of the Sand Abstraction Systems for Rural Water Supply: the case of Lupane District, Zimbabwe]. Vol 3, No. 1, January 2011.
==Acknowledgements==
* CARE Nederland, ''Desk Study Resilient WASH systems in drought prone areas''. October 2010.
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