Inkwŏn kyoyuk saero koch'im
Subtitle: inkwŏn e taehan, inkwŏn ŭl t'onghan, inkwŏn ŭl wihan kyoyuk ŭl tasi mal hada
Publisher: Kyoyuk Kongdongch'e Pŏt
Place of publication: Soul-si
Language: kor
ISBN-13: 9788968801051