- Author: Won Y. Yang, Jaekwon Kim, Kyung W. Park, Donghyun Baek, Sungjoon Lim, Jingon Joung, Suhyun Park, Han L. Lee, Woo June Choi, Taeho Im
- Language: English
- Year: 2020
- Author: Cheol Ho Hong, Wŏn-yŏng Yang, Jong Suk Ro, Han L. Lee, Wenwu Cao, Jaekwon Kim, Taeho Im, Kyung W. Park, Jingon Joung, Ho Hyun Park
- Language: English
- Year: 2020