Haksŭp chidorŭl wihan nolli
By: Yi Yong-gŏl chŏ.
Series: Sin kyoyukhak kangjwa ; 8
Publisher: Kyoyuk Kwahaksa
Published: 1980
Place of publication: Sŏul Tʻŭpyŏlsi
Language: kor
Number of pages: 270