ŎŎnŏ wa KugŏŎnŏ wa Kugŏde Ch'an-yŏn NaMateriasKorean languageStudy and teaching (Secondary)GrammarEdiciones (1)Ŏnŏ wa Kugŏ (2007)Chei aen Ssi · kor · ISBN 9788956684581Más obras de Ch'an-yŏn NaCChungse Kugŏ munpŏp ŭi ihaeChungse Kugŏ munpŏp ŭi ihaeCChungse Kugŏ munpŏp ŭi ihaeChungse Kugŏ munpŏp ŭi ihaeYYetkŭl ilkiYetkŭl ilki