Yŏngyua kyoyuksa
Subtitle: Yŏngguk ŭi yŏngyua kyoyuk mit poyuk kyoyuk ŭl chungsim ŭro
By: Ch'oe Han-su, Yi Hŭi-su kongyŏk
Edition: Ch'op'an
Series: Yua kyoyukhak chʻongsŏ
Publisher: Tongmunsa
Published: 1993
Place of publication: Sŏul-si
Language: kor
Number of pages: 181