By Water Environment Federation.
Virginia: WEF, 2013 .
591 p. : 9781572782761

Place hold on Operation of nutrient removal facilities /

By Normas WEF.
Washington: WEF, 2022 .
6p.:

Place hold on Chemical Oxygen Demand (COD)/

By Normas WEF.
Washington: WEF, 2021 .
13p.:

Place hold on Sulfide /

By Normas WEF.
Washington: WEF, 2021 .
10p.:

Place hold on Nitrogen (Ammonia) /

By Water Environment Federation.
New York : WEF, 2017 .
336 p. : 9781572783379

Place hold on Wastewater biology :

By Water Environment Federation.
New York : WEF, 2018 .
450p . : 9781572783409

Place hold on Activated sludge and nutrient removal /

By Water Environment Federation.
New York : WEF, 2008 .
568 p. : 9780071592383

Place hold on Industrial wastewater management,treatment, and disposal /