Kyoyukhak sunhae
Subtitle: sunwi kosa, kyowŏn chagyŏk kosa, kyosa sŭngjin sihŏm, kyoyuk haengjŏng kosi taebirŭl wihan
By: Yi Chang-yong pʻyŏnjŏ ; Kim Hŏn-gyu kamsu
Edition: Chʻopʻan
Publisher: Koryŏwŏn
Published: 1985
Place of publication: Sŏul
Language: kor
Subjects: Problems, exercises; Education