Kŭndae chŏngchʻi sasang sa
By: Chŏng In-hŭng chŏ
Series: Taehak kangjwa. Chŏngchʻihak chŏnjip -- che 1-kwŏn 2; Taehak kangjwa -- che 1-kwŏn 2.
Publisher: Yangmun Sa
Published: 1955
Place of publication: Sŏul
Language: kor
Number of pages: 115