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Institute of Rural Development -Nuku'alofa, TO
Nuku'alofa, T.O.Institute
, 1989.
Making a ventilated improved pit latrine
, (Transfer of appropriate technology no. 7) Nuku'alofa, Tonga: University of the South Pacific, Institute of Rural Development. Available at:
https://fr.ircwash.org/sites/default/files/321.4-89MA-6888.pdf
.
Publié le: 29/12/2004
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Nuku'alofa, T.O.Institute
, 1988.
Building a ferrocement water tank
2nd ed.ᵉ éd., (Transfer of appropriate technology leaflet no. 9) Nuku'alofa, Tonga: University of the South Pacific, Institute of Rural Development. Available at:
https://fr.ircwash.org/sites/default/files/213.2-6667.pdf
.
Publié le: 01/01/1970
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