HHanʼguk chungsesa yŏnʼguHanʼguk chungsesa yŏnʼgude Hyŏn-gang HaMateriasHistoryEdiciones (1)Hanʼguk chungsesa yŏnʼgu (1988)Ilchogak · korMás obras de Hyŏn-gang HaHHanʼguk chungsesa nonHanʼguk chungsesa non1989HHanʾguk chungsesa yŏnʾguHanʾguk chungsesa yŏnʾgu1988HHanʾguksa ŭi kujo wa chŏnʾgaeHanʾguksa ŭi kujo wa chŏnʾgae