Tong-ik Sŏ

1948

• Nam-Pukhan Han'gŭl mach'umpŏp t'ongil ŭl wihan Chosŏn Nodongdang kyuyak munjang yŏn'gu
• 남북한한글맞춤법통일을위한사회주의헌법문장연구