1.
図書 |
労働大臣官房政策調査部編
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2.
図書 |
compiled by Statistics and Information Department, Minister's Secretariat, Ministry of Health and Welfare
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3.
図書 |
厚生省大臣官房統計情報部編
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4.
図書 |
労働大臣官房政策調査部編
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