- Author: Jung In Kang, Lee Dongsoo, Jang Dong Jin, Kim Bi-Hwan, Kim Dong-Choon, Kim Hee-Kang, Kim Nam-Kook, Kim Seog Gun, Kim Sungmoon, Kim Yong-Min
- Language: English
- Year: 2014
- Author: Jung In Kang
- Language: English
- Year: 2017
- Author: Jung In Kang
- Language: English
- Year: 2012
- Author: Jung In Kang
- Language: English
- Year: 2012