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

Bibliografski detalji
Glavni autor:	van Nostrand, John
Format:	Knjiga
Jezik:	English
Izdano:	Washington, D.C. IBRD/World Bank c1983
Serija:	TAG technical note no.3
Teme:	Privies > Botswana > Design and construction > Handbooks, manuals, etc.