Sand filter (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sand filter" in Simple English language version.

refsWebsite

Global rank Simple English rank

1thefreedictionary.com

614^th place

179^th place

1web.archive.org

1^st place

1^st place

8,912^th place

low place

thefreedictionary.com

"Definition of bacteria bed". The Free Dictionary. Retrieved 2007-07-26.

web.archive.org

"Slow Sand Filtration" (PDF). National Drinking Water Clearinghouse. Archived from the original (PDF) on 2019-07-13. Retrieved 2021-07-05.

wvu.edu

nesc.wvu.edu

"Slow Sand Filtration" (PDF). National Drinking Water Clearinghouse. Archived from the original (PDF) on 2019-07-13. Retrieved 2021-07-05.