- Author: Sungdai Cho, Hyo Sang Lee, Hye-Sook Wang
- Language: English
- Year: 2017
- Author: Young-Mee Cho Hyo Sang Lee Carol Schulz Ho-Min Sohn Sung-Ock Sohn
- Language: English
- Year: 2009
- Author: Young-Mee Choi Hyo Sang Lee Carol Schulz Ho-Min Sohn Sung-Ock Sohn
- Language: English
- Year: 2001
- Author: Sungdai Cho Hyo Sang Lee Hye-Sook Wang
- Language: English
- Year: 2005
- Author: Young-Mee Cho Hyo Sang Lee Carol Schulz Ho-Min Sohn Sung-Ock Sohn
- Language: English
- Year: 2009
- Author: Young-mee Cho Hyo Sang Lee Carol Schulz Ho-min Sohn Sung-Ock Sohn
- Language: English
- Year: 2010