Man in his working environment : a workers' education manual /
Includes bibliographical references.
Main Author: | |
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Format: | |
Language: | eng |
Published: |
Geneva : United Nations Environment Programme,
1979
|
Subjects: |
Includes bibliographical references.
Main Author: | |
---|---|
Format: | |
Language: | eng |
Published: |
Geneva : United Nations Environment Programme,
1979
|
Subjects: |