ဤအရာ Book သင်၏ဘာသာစကားတွင်မရှိပါ။, တွင်..ကြည့်ပါ။: English (en),
သို့မဟုတ် ဂူဂယ်ဘာသာပြန်ကိုအသုံးပြုပါ။:  

This book may no longer be available in print.

Produced by Aqueous Solutions, this simple booklet provides a clear overview of the Biosand Water Filtration System (2000L per day) and how to build and use it.

English Version (2022)

Thai Version (2016)

Burmese Version (2016)

Publication Details