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Author: FUREY S. G.
Year of Publishing: 2013
Publisher: Skat Foundation
Institution: Rural Water Supply Network
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Author: DANERT, K.
Year of Publishing: 2022
Publisher: Ask for Water GmbH, Skat Foundation and RWSN.
Institution:
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Author: LOCKWOOD, H. and SMITS, S.
Year of Publishing: 2011
Publisher: Practical Action Publishing Ltd.
Institution: IRC/Aguaconsult