- Author: Yoon Seong-Hoon
- Language: English
- Year: 2016
- Author: Basile Angelo Bruno, Centi Gabriele, Falco Marcello de, Iaquaniello Gaetano
- Language: English
- Year: 2016
- Author: Association American Water Works
- Language: English
- Year: 2012
- Author: Yoon Seong-Hoon
- Language: English
- Year: 2015
- Author: Chang In-Soung, Lee Kwang-Jin, Park Hee-Deung
- Language: English
- Year: 2015