Inʼgan ŭn sŭlpʻŭryŏgo tʻaeŏnatta
Subtitle: essay
By: Ko Ŭn chŏ.
Publisher: Inmun Sŏjŏm
Published: 1967
Place of publication: Sŏul
Language: kor
Number of pages: 333
Other titles: Sŏng, Ko Ŭn essei