• Documentation of the TLV for Substances in Workplace

• Korean Journal of Occupational Health   1979  Volume.18  No.4 110 ~ 110

• WHO¢¥s New Recommendation to the Permissible Levels of Toxic Substances

• À̺´±¹/Lee, B.K.

• Korean Journal of Occupational Health   1979  Volume.18  No.4 89 ~ 92

• Occupational health Services in Korea

• Korean Journal of Occupational Health   1979  Volume.18  No.4 87 ~ 88