• Evaluation of Hazardous Materials in Semiconductor Manufacturing Industry

• Korean Journal of Occupational Health   1990  Volume.29  No.1 38 ~ 41

• Documentatiom of the TLV for Substances in Workplace

• Korean Journal of Occupational Health   1990  Volume.29  No.1 33 ~ 37

• Occupational Health Guidelines for Chemical Hazards NIOSH/OSHA

• Korean Journal of Occupational Health   1990  Volume.29  No.1 28 ~ 32

• Industrial Hygiene program in Industry

• Korean Journal of Occupational Health   1990  Volume.29  No.1 22 ~ 27

• The Magnitude of the Problem of Pneumoconiosis in the World

• Cho Kyu-Sang

• Korean Journal of Occupational Health   1990  Volume.29  No.1 1 ~ 21