Chʻun-yŏng Song

• Koryŏ sidae chaphak kyoyuk yŏnʾgu
• Koryŏ sidae ŭi Ŏsadae e kwanhan il yŏnʼgu
• Uri modu ka araya hal Tʻaegŭkki ŭi ŏje wa onŭl