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1 | Asfahl, C. Ray Industrial safety and health management / C. Ray Asfahl . — 2nd ed. — Englewood Cliffs : Prentice Hall, [1990]. — 464 p. : il., fig., tab. ; 24 cm. — | ![]() |
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1 | Asfahl, C. Ray Industrial safety and health management / C. Ray Asfahl . — 2nd ed. — Englewood Cliffs : Prentice Hall, [1990]. — 464 p. : il., fig., tab. ; 24 cm. — | ![]() |