1.

図書
図書
1. Protecting retirement incomes : options for reform
International Social Security Association
出版情報: Geneva : International Social Security Association, 1996
シリーズ名: Studies and research / International Social Security Association ; no. 37
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2.

図書
図書
2. The Financing of social insurance in Central and Eastern Europe
International Social Security Association
出版情報: Geneva : International Social Security Association, 1993
シリーズ名: Social security documentation ; European series ; no. 20
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