Kwahak sinhwa
By: An Tong-hyŏk chŏ
Series: Kwahak kisul chʻongsŏ -- Che 2-ho
Publisher: Chosŏn Kongŏp Tosŏ Chʻulpʻansa
Published: 1947
Place of publication: Sŏul-si
Language: kor
Number of pages: 432