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

Detalhes bibliográficos
Autor principal:	van Nostrand, John
Formato:	Livro
Idioma:	English
Publicado em:	Washington, D.C. IBRD/World Bank c1983
Colecção:	TAG technical note no.3
Assuntos:	Privies > Botswana > Design and construction > Handbooks, manuals, etc.