The ventilated improved double-pit latrine a construction manual for Botswana

The ventilated improved double-pit latrine a construction manual for Botswana

Bibliografische gegevens
Hoofdauteur: van Nostrand, John
Formaat: Boek
Taal:English
Gepubliceerd in: Washington, D.C. IBRD/World Bank c1983
Reeks:TAG technical note no.3
Onderwerpen:
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