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Belz, L.H.
Belz, L.H.
, 1987.
Pit latrine
. , p.p. 141-148: fig. Available at:
https://fr.ircwash.org/sites/default/files/321.4-3928.pdf
.
Publié le: 01/01/1970
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Belz, L.H.
, 1986.
Precasting fibrous ferrocement sanitary units
, Nuku'alofa, Tonga: Lloyd H. Belz. Available at:
https://fr.ircwash.org/sites/default/files/320-2521.pdf
.
Publié le: 01/01/1970
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