Wŏllamjŏn chʻonghap yŏnʼgu
By: [pʻyŏnjin kyŏm parhaengchʻŏ ChuWŏl Hanʼgukkun Saryŏngbu]
Publisher: Tong Saryŏngbu
Published: 1974
Language: kor
Number of pages: 1338