Yŏn-jŏng Yi

• Han'gugŏ haksŭpcha rŭl wihan Han'gugŏ sayong sŏlmyŏngsŏ Vol.1
• Kŭllo chʻŏngsonyŏn ŭl wihan munhwa pʻŭrogŭraem kaebal
• Munhwa sanŏp punya sanhak hyŏmnyŏk hwalsŏnghwa pangan