1.

図書
図書
1. Social security : the system that works
Merton C. Bernstein, Joan Brodshaug Bernstein
出版情報: New York : Basic Books, c1988
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2.

図書
図書
2. Medical care, medical costs : the search for a health insurance policy
Rashi Fein
出版情報: Cambridge, Mass. : Harvard University Press, 1986
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