Potential employment effects of substituting fibre optic cable for copper wire.
| 第一著者: | |
|---|---|
| フォーマット: | 図書 |
| 言語: | English |
| 出版事項: |
Geneva
International Labour Office
1990.
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| シリーズ: | Working paper / World employment programme research. Technology and employment project
no.208 |
| 主題: |