- 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: 2009
- Author: Young-mee Cho Hyo Sang Lee Carol Schulz Ho-min Sohn Sung-Ock Sohn
- Language: English
- Year: 2010