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

Place hold on Operation of nutrient removal facilities /

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 /

By Water Environment Federation.
New York : McGraw Hill education, 2014 .
388 p. : 9780071798426

Place hold on Wastewater tratment process modeling /