Pukhan kwangmul chawŏn kaebal ŭl wihan nambuk hyŏmnyŏk pangan yŏnʼgu
By: yŏnʼgu chʼaegimja Kim Yŏng-yun.
Series: Yŏnʼgu chʻongsŏ -- 05-09
Publisher: Tʻongil Yŏnʼguwŏn
Published: 2005
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 150
Subjects: Mines and mineral resources -- Korea (North); Mineral industries -- Korea (North); Korea (North) -- Foreign economic relations -- Korea (South); Korea (South) -- Foreign economic relations -- Korea (North)
Notes: Includes bibliographical references (p. 139-141).