Kaebal tosangguk ŭi kwahak kisul kaebal chŏllyak
By: Chʻoe Hyŏng-sŏp chŏ.
Publisher: Hanʼguk Kwahak Kisurwŏn
Published: 1981
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 22