Water, sanitation and hygiene standards for schools in low-cost settings / World Health Organization ; eduted by: John Adams ... [et al.

Detalles Bibliográficos
Formato: Libro
Lenguaje:Undetermined
Publicado: Geneva : WHO
Materias:
Descripción
Descripción Física:ix, 55 p.
ISBN:978 92 4 154779 6