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＜図書＞
Social security; universal or selective? / by Wilbur J. Cohen and Milton Friedman.
(Rational Debate Seminars)

出版者	Washington, D.C. : American Enterprise Institute for Public Policy Research
出版年	c1972.
大きさ	114 p. 22 cm.
著者標目	Cohen, Wilbur Joseph, 1913- Friedman, Milton, 1912-