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Búsqueda efectuada: Koren, Herman
Illustrated dictionary of environmental health & occupational safety
- Koren, Herman
- Boca Raton, [etc.] : Lewis Publishers, cop. 1996
- Libros
Handbook of environmenmtal health and safety : principles and practices
- Koren, Herman
- Chelsea, Michigan : Lewis Publishers, cop. 1991
- Libros