ผู้เขียน: Etienne Paul

ETIENNE PAUL, Ph D, is a professor in the Department of Chemical and Environmental Engineering at the National Institute of Applied Sciences. He has more than fifteen years of experience in the field of biological treatment of water, wastewater, and waste. YU LIU, Ph D, is an associate professor in the School of Civil and Environmental Engineering at Nanyang Technological University. He has authored or edited six books, four book chapters, and over ninety journal articles.