HHakkyo yuksimnyŏnsaHakkyo yuksimnyŏnsade Pusan Kaebang TaehakMateriasHistoryPusan Kaebang TaehakEdiciones (1)Hakkyo yuksimnyŏnsa (1987)Kungnip Pusan Kaebang Taehak, Hakkyo Yusimnyŏnsa Pʻyŏnchʻan Wiwŏnhoe · kor