Ppŏkkugi wa ori namu
By: kŭl Yi Chʻŏng-jun ; kŭrim Yi Tu-sik.
Series: Saero ssŭgo saero kŭrin kŭrim nara 100 ; 9
Publisher: Tonghwa Chʻulpʻan Kongsa
Published: 1981
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 28