Sŏng-jun Ko

• Chŏnhwanʼgi ŭi Pukhan sahoejuŭi
• Chunggong ŭi chŏngchʻi kyohwa wa taejabo
• Hakkyo t'ongil kyoyuk ŭi saeroun ihae
• Rethinking the need for unification
• T'ongil Han'guk kwa segye p'yŏnghwa ŭi sŏm Cheju
• T'ongil p'iryosŏng ŭi chaeinsik
• Tong Asia wa pʻyŏnghwa ŭi sŏm Cheju