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

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

Xehetasun bibliografikoak
Egile nagusia: van Nostrand, John
Formatua: Liburua
Hizkuntza:English
Argitaratua: Washington, D.C. IBRD/World Bank c1983
Saila:TAG technical note no.3
Gaiak:
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