Oju sanchʻaek (Oju sanchʻaek)
By: [kongjŏja Yu Chong-sŏk, Chʻu Song-hak]
Contributors: Chʻu, Song-hak
Publisher: Saenghwal Munhwasa
Published: 1993
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 199