Yu-jae Yi

• Hanʼguk kiŏp ŭi sŏbisŭ pʻumjil pʻyŏngka chedo pyŏnchʻŏn kwajŏng
• Ilsangsa ro ponŭn Hanʾguk kŭn-hyŏndaesa
• Sŏbisŭ makʻetʻing