Tumanʾgang kaebal
By: Chʻoe Yong-hak chŏ.
Edition: Chʻopʻan
Series: Chʻoe Yong-hak munjip -- 1
Publisher: Hanʾguk Haksul Chŏngbo
Published: 2005
Place of publication: Kyŏnggi-do Pʻaju-si
Language: kor
Number of pages: 164
Subjects: Tumen River Area Development Project; Hunchun Shi (China) -- Economic conditions; Tumen River Region -- Economic conditions
Notes: "Yŏnbyŏn No Kyosu Hyŏphoe pʻyŏnchʻan."