Tʻaegŭk sonyŏndŭl
Subtitle: sonyŏndŭl i kyŏkkŭn tongnip undongsa
By: Yi Il-tong chiŭm
Publisher: Chʻŏngnok Chʻulpʻansa
Published: 1971
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 291