Sŏ-rae Yi

• Hanʼguk ŭi parhyo sikpʻum
• Ihak Paksa Hwangpʻa Yi Sŏ-rae Kyosu yŏnʼgu ŏpchŏk yoyakchip
• Sikpʻum ŭi anjŏngsŏng yŏnʼgu