Na nŭn kŭlcha rŭl moŭnda
Subtitle: Ŭn, Ok-chin essei
Edition: 1-p'an
Publisher: Sup'il kwa Pip'yŏngsa
Published: 2010
Place of publication: Sŏul-si
Language: kor
Number of pages: 251
ISBN-13: 9788959256808