Kugin, Okhŏn, Tongwŏn yugo happʻyŏn
By: [pʻyŏnja Yu Hae-gŭn, Hŏ Hwŏn]
Publisher: Hangnimsa
Published: 1985
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 831