Chŏnʼguk kyotʻongnyang pogosŏ, 1968-nyŏndo
Subtitle: Traffic survey report
Publisher: Kŏnsŏlbu (Ministry of Construction)
Published: 1969
Place of publication: [Sŏul]
Language: kor
Number of pages: 875
Subjects: Traffic surveys
Other titles: Traffic survey report.