Special Offer: Cao Ye Shi Author Set

Buy all three books together and save a total £67.75! (Total price when bought separately £251.75)

Special offer price: £184.00

Includes:

Mass Flow and Energy Efficiency of Municipal Wastewater Treatment Plants [1] - Cao Ye Shi, September 2011

Biological Phosphorus Removal Activated Sludge Process in Warm Climates [2] - Cao Ye Shi, March 2011

Biological Nitrogen Removal Activated Sludge Process in Warm Climates [3] - Cao Ye Shi, Wah Yuen Long, Ang Chee Meng, Kandiah S. Raajeevan, April 2008