Cho-dŏk Yun

• Industrial accident prevention system in Korea
• Kukka kyŏngjaengnyŏk chego rŭl wihan kinŭng changnyŏ saŏp ŭi hwalsŏnghwa pangan
• Sahoe pohŏm kwa nodong chohap ŭi yŏkhal
• Sanjae pohŏm chaehwal saŏp ŭi chung-changgi palchŏn chŏllyak
• Sanjae pohŏm chedo palchŏn pangan e taehan yŏngu
• Sanŏp anjŏn kwa nodong chohap
• Tʻŭksu hyŏngtʻae kŭllo chongsaja koyong pohŏm chŏgyong pangan yŏnʼgu