Inʼgan haksŭp ŭi wŏlli
By: Yi Sŏng-jin chŏ.
Series: Sin kyoyukhak kangjwa ; 6
Publisher: Kyoyuk Kwahaksa
Published: 1980
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 287