20 segi Hanʼguk sado haengjŏn
By: Kim Kyŏng chŏ.
Series: Elli elli lama Sabaktani? ; 1
Publisher: Kidokkyo Sajosa Chʻulpʻanbu
Published: 1981
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 328