https://dspace.mit.edu/entities/publication/609b9663-9a36-44db-b858-f51576071cfc
Modification of a biosand filter in the northern region of Ghana
Four local plastic design (LPD) BSFs were constructed in Northern Region, Ghana, to test and evaluate an experimental modification of the LPD BSF for treatment...
of ain thenorthern regionmodificationbiosand
https://scholarworks.gsu.edu/items/acf694c2-a294-4624-aac8-5c7e8ff85ef1
Investigation of E. coli and Virus Reductions Using Replicate, Bench-Scale Biosand Filter Columns...