Gua̕s sobre Medio Ambiente, S. y. S. /. I. F. C. I. Environment, Health and Safety Guidelines for Integrated Steel Mills.
Chicago-čujuhus (17. p.)Gua̕s sobre Medio Ambiente, Salud y Seguridad / International Finance Corporation IFC. Environment, Health and Safety Guidelines for Integrated Steel Mills.
MLA-čujuhus (9. p.)Gua̕s sobre Medio Ambiente, Salud y Seguridad / International Finance Corporation IFC. Environment, Health and Safety Guidelines for Integrated Steel Mills.
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