- Wastewater Microbiology (Wiley Series in Ecological and Applied Microbiology) by Gabriel Bitton, 2005-05-18
- Handbook of Water and Wastewater Treatment Plant Operations by Frank R. Spellman, 2003-06-24
- Wastewater Treatment: Biological and Chemical Processes (Environmental Science and Engineering / Environmental Engineering) by Mogens Henze, Poul Harremoes, et all 2001-10-25
- Wastewater Organisms A Color Atlas by Sharon Berk, John Gunderson, 1993-12-27
- Water and Wastewater Calculations Manual by Shun Dar Lin, C. C. Lee, 2001-05-03
- Automation of Wastewater Treatment Facilities - MOP 21 (Wef Manual of Practice) by Water Environment Federation, 2006-10-18
- Theory and Practice of Water and Wastewater Treatment by Ronald L. Droste, 1996-08-28
- STANDARD METHODS FOR THE EXAMINATION OF WATER AND WASTEWATER, INCLUDING BOTTOM SEDIMENTS AND SLUDGES by American Public Health Assoc.; American Water Works; Water Pollution Control Fed., 1965
- Wastewater Treatment Plant Design by Joint Committee Of The Water Pollution Control Federation & The American Society Of Civil Engineers, 1977
- Wastewater Collection System Operator Certification Studybook by James J. Courchaine, 2002-01
- Operation of Wastewater Treatment Plants, Vols. I and II by Kenneth D. Kerri, 1993-08
- Basic Math Concepts for Water and Wastewater Plant Operators (Mathematics for Water and Wastewater Treatment Plant Operations) by Joanne K. Price, 1991-07-01
- Mathematics Manual for Water and Wastewater Treatment Plant Operators by Frank R. Spellman, 2004-03-23
- Small Wastewater System Operation and Maintenance by Kenneth D. Kerri, 1997-08
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