por Yang, Wŏn-yŏng, 1953- [autor] | Lee, Seung C [autor].
por Yang, Wŏn-yŏng, 1953- [autor] | Kim, Jaekwon [autor] | Park, Kyung W [autor] | Baek, Donghyun [autor] | Lim, Sungjoon [autor] | Joung, Jingon [autor] | Park, Suhyun [autor] | Lee, Han L [autor] | Choi, Woo June [autor] | Im, Taeho [autor].