1.

図書
図書
1. Digest of education statistics (1975 edition - 2006)
Thomas D. Snyder ; project director, National Center for Education Statistics
出版情報: Washington, D.C. : For sale by the Supt. of Docs., U.S.G.P.O., 1975-
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2.

図書
図書
2. The Condition of education (1975 ed. - 1998 ed.)
National Center for Education Statistics ; edited by Valena White Plisko ... [et al.]
出版情報: [Washington, D.C.] : [U.S. Department of Education], [1975]-
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