Kiŏp Kyŏngyŏng Yŏnʼguso 20-yŏnji
By: [pʻyŏnja Koryŏ Taehakkyo Kiŏp Kyŏngyŏng Yŏnʼguso].
Publisher: Tong Taehakkyo
Published: 1978
Language: kor
Number of pages: 91