21세기무인
Subtitle: Im Chun-hu changpʻyŏn sosŏl
Edition: Chʻopʻan.
Publisher: Chaŭm kwa Moŭm
Published: 2004
Place of publication: Sŏul-si
Language: kor
ISBN-13: 9788954400824; 9788954400831
Other titles: 21-segi muin; Muin