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Helvetas -Nugegoda, LK
Nugegoda, L.K.Helvetas -
&
Moratuwa, L.K.Sarvodaya
, 1994.
Design, construction and standardisation of gravity water supply systems in rural villages in Sri Lanka
, Nugegoda, Sri Lanka: Helvetas, Swiss Association for Development and Cooperation. Available at:
https://fr.ircwash.org/sites/default/files/221-99DE-14731.pdf
.
Publié le: 30/12/2004
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Nugegoda, L.K.Helvetas -
&
Moratuwa, L.K.Sarvodaya
, 1994.
Construction of hand-dug well in rural villages in Sri Lanka
, Nugegoda, Sri Lanka: Helvetas, Swiss Association for Development and Cooperation. Available at:
https://fr.ircwash.org/sites/default/files/212.5-94CO-14271.pdf
.
Publié le: 01/01/1970
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Nugegoda, L.K.Helvetas -
&
Moratuwa, L.K.Sarvodaya
, 1994.
Construction of latrines in rural villages in Sri Lanka
, Nugegoda, Sri Lanka: Helvetas, Swiss Association for Development and Cooperation. Available at:
https://fr.ircwash.org/sites/default/files/320-94CO-14272.pdf
.
Publié le: 30/12/2004
Read more...
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