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Water Treatment System Booklet - 300 Liter Per Day

Aqueous Solutions

该书已不再出版。

Produced by Aqueous Solutions, this simple booklet provides a clear overview of the Biosand Water Filtration System (300L per day) and how to build and use it.

English Version (2022)

Thai Version (2016)

Lao Version (2016)

Burmese Version (2016)

Sinhala Version (2016)

 

 

出版物详细信息

  • ECHO亚洲书库: TA.030, BC.127