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Improving our competitiveness common core education standards : hearing before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, first session, hearing held in Washington, DC, December 8, 2009
- "Improving our competitiveness common core education standards : hearing before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, first session, hearing held in Washington, DC, December 8, 2009"
- "Improving our competitiveness common core education standards : hearing before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, first session, hearing held in Washington, DC, December 8, 2009"@en
- "Improving our competitiveness : common core education standards : hearing before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, first session, hearing held in Washington, DC, December 8, 2009"@en