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

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

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: van Nostrand, John
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Washington, D.C. IBRD/World Bank c1983
Sraith:TAG technical note no.3
Ábhair:
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