Chʻŏngnyŏn undong e kwanhayŏ
By: [Yi Chŏng-gwan pʻyŏn]
Publisher: Chʻŏngchʻun Sa
Published: 1966
Place of publication: [Pʻyŏngyang?]
Language: kor
Number of pages: 109
Notes: Preserved, Deacidified, 2012 Cranberry, PA Preservation Technologies LP