• Problems in Approval of Accidents to be in the Course of Employment(¥±)

• Korean Journal of Occupational Health   1965  Volume.4  No.3 13 ~ 15

• Automobile Emissions and Air pollution

• Korean Journal of Occupational Health   1965  Volume.4  No.3 2 ~ 12

• Air pollution

• Korean Journal of Occupational Health   1965  Volume.4  No.3 1 ~ 2