📕 Source : ACF© - 07-Well construction. // 2005 // 23 pages.

https://www.actioncontrelafaim.org/en/publication/water-sanitation-and-hygiene-for-populations-at-risk/

**https://app.box.com/s/1qdaw76u8f9qbz1mynkk475acs2ok4is**

https://app.box.com/s/1qdaw76u8f9qbz1mynkk475acs2ok4is

Source : ACF© // Release year — 2005.