Chŏng-sŏp Chʻoe

• Ilbon, Miguk ŭi nongŏp tʻu-yungja tonghyang
• Miguk Kʻaellipʻonia ŭi ssal sanŏp
• Taemi pae suchʻul e kwanhan chosa yŏnʼgu
• 사회보장법 [제2판]