Zum Inhalt springen
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Bruxelles: De Boeck Univ., 2000
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Washington, D.C: World Bank, 2012 ; 2012
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Washington, D.C: The World Bank, 2010
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Washington, D.C: The World Bank, 1992 ; Online-Ausg.
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[S.l.]: SSRN, [2016]
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Washington, DC: World Bank, c2003 ; Online-Ausg.
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Washington, DC (1818 H St. NW, Washington 20433): World Bank, Human Development Dept., Education Group, [1998] ; Online-Ausg.
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Washington, D.C: World Bank, c2003 ; Online-Ausg.