Ch'ŏngyang ŭi kyot'ong kwa kyoyŏk
By: Im Tong-gwŏn, Chŏng Hyŏng-ho, Im Chang-hyŏk kongp'yŏn
Publisher: Ch'ŏngyang Munhwawŏn
Published: 2008
Place of publication: [Ch'ŏngyang]
Language: kor
Number of pages: 247
Subjects: Commerce; History; Transportation; Social life and customs