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Singh, V.P.
Chaudhuri, M.
&
Singh, V.P.
, 1993.
A performance evaluation and modification of the UNICEF upward-flow water filter
. , pp.p. 29-31: 4 fig. Available at:
https://www.ircwash.org/sites/default/files/Pratap-1993-Performance.pdf
.
Published on: 30/12/2004
The performance of the UNICEF sand-charcoal-sand upward flow filter was evaluated using a laboratory test filter of similar specifications. The...
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