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

Dades bibliogràfiques
Autor principal:	Mate, Joseph
Format:	Llibre
Idioma:	English
Publicat:	Zambia Piped Supplies for Small Communities (PSSC) Project Zambia 1991.
Matèries:	Outhouses > Handbooks, manual etc. Toilets > Handbooks, manual etc.