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

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

Opis bibliograficzny
1. autor: van Nostrand, John
Format: Książka
Język:English
Wydane: Washington, D.C. IBRD/World Bank c1983
Seria:TAG technical note no.3
Hasła przedmiotowe:
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