Kak-chʻŏl Sin

• Chʻoesin kʻŏmpʻyutʻŏ pʻŭrogŭraem pohopŏp
• Chʻulpʻan chŏjakkwŏn sarye 100-sŏn
• Hakkyo sago pʻallye wa yebang taechʻaek
• Hanʼguk kyŏngje paengnyŏn sa
• Hanʾguk kyŏngje paengnyŏnsa
• Kyoyuk haengjŏng chʻongnam
• Munʾgyo haengjŏng chʻongnam