Learning exchange on Biosand Filtration (BSF) / DACAAR.

Contributor(s): Material type: TextTextLanguage: English Publication details: Kabul, Afghanistan : DACCAR ; Water Expertise and Training Center (WETC), 2010.Description: 72 pages : color illustrations ; 28 cmSubject(s): LOC classification:
  • Pamphlet HN670.6. Z9.

Cover title.
“13 December 2010”.
“Water Expertise and Training Center (WETC)”—cover title.

English