Chŏngchʻi sasang sa
By: Chŏng In-hŭng chŏ
Series: Chŏngchʻihak kangŭi; Chŏngchʻihak kangŭi
Publisher: Pagyŏng Sa
Published: 1961
Place of publication: Sŏul
Language: kor
Number of pages: 396