Hanʼguk chʻŏltosa
By: [Chʻŏltochʻŏng Kongbogwansil pʻyŏnchʻan]
Publisher: Chʻŏltochʻŏng
Published: 1974
Place of publication: [Sŏul]
Language: kor
Number of pages: 35
Subjects: Railroads; History