Chang-wŏn Kwŏn

• Hanʼguk pangsong chŏngchʻaek esŏ ŭi pigongsik netʻŭwŏkʻŭ kujo yŏnʼgu
• Hanʼguk pangsong chŏngchʻaek esŏŭi pigongsik netʻŭwŏkʻŭ kujo yŏnʼgu