Why a pit latrine a manual for extension workers and latrine builders

Detalles Bibliográficos
Autor Principal:	Mate, Joseph
Formato:	Libro
Idioma:	inglés
Publicado:	Zambia Piped Supplies for Small Communities (PSSC) Project Zambia 1991.
Subjects:	Outhouses > Handbooks, manual etc. Toilets > Handbooks, manual etc.