Chŏngchʻaek kyŏlchŏng chʻeje yŏnʼgu
Subtitle: taetʻongnyŏng chŏngchʻaek kyŏlchŏng kwa ŭimun
By: Sin Chʻang-u chŏ.
Publisher: Taeyŏng Munhwasa
Published: 1990
Place of publication: Sŏul
Language: kor
Number of pages: 315