Hyŏndae kyoyuk simnihak
By: Chŏng Wŏn-sik, Yi Sang-no, Yi Sŏng-jin kongjŏ
Edition: Chŏnjŏngpʻan
Publisher: Kyoyuk Chʻulpʻansa
Published: 1985
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 423