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Steiner, U.
Steiner, U.
&
Brunner, M.C.
, 1986.
Manual for the installation and maintenance of the Sarvodaya handpump SL 5
, Moratuwa, Sri Lanka: Helvetas, Swiss Association for Development and Cooperation. Available at:
https://fr.ircwash.org/sites/default/files/232.2-2436.pdf
.
Publié le: 01/01/1970
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Stark, R.
&
Steiner, U.
, 1986.
Manual of standardization for the construction of village water supplies in Sarvodaya Villages in Sri Lanka
, Moratuwa, Sri Lanka: Helvetas, Swiss Association for Development and Cooperation.
Publié le: 29/12/2004
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Stark, R.
&
Steiner, U.
, 1985.
Manual for the construction of handdug drinking water wells in Sarvodaya villages in Sri Lanka
, Moratuwa, Sri Lanka: Helvetas, Swiss Association for Development and Cooperation. Available at:
https://fr.ircwash.org/sites/default/files/212.5-83MA-2435.pdf
.
Publié le: 29/12/2004
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