![](http://assets.echocommunity.org/book/ca8f862b-89cd-4b07-b8e5-494798a79e79/appropriate-technologies-sanitation_thumbnail.jpg?w=400)
Included in this notebook are articles on basic sanitation, and the construction of different disposal systems.
Informations de publication
- Dewey Decimal: 631.875
- Bibliothèque ECHO: 631.875 ECH
Included in this notebook are articles on basic sanitation, and the construction of different disposal systems.