Hŭi-wan Im

• Chʻŏnggyodo hyŏngmyŏng ŭi chonggyojŏk kŭpchin sasang
• Yŏksahak ŭi ihae
• Yŏngguk hyŏngmyŏng kwa chonggyojŏk kŭpchin sasang
• Yŏngguk hyŏngmyŏng ŭi supʻyŏngpʻa undong