21-segi chisigin ŭi kil, yuktup'ia
By: Chŏng Yŏng-hun chiŭm
Publisher: P'aendŏm Puksŭ
Published: 2011
Place of publication: Sŏul-si
Language: kor
Number of pages: 242
ISBN-13: 9788994792125
Subjects: Utopias; Miscellanea; Intellectuals; Politics and government
Other titles: Yuktup'ia