Yuri sok ŭi pʻokpʻung
By: Yi Ha-sŏk.
Edition: Chʻopʻan
Series: Munhak sasang Hanʼguk sisŏn -- 12
Publisher: Munhak Sasangsa
Published: 1987
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 93