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Paris: Unesco: International Institute for Educational Planning, 1994
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Paris: UNESCO, Internat. Inst. for Educational Planning, 1994
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Paris: Unesco: International Institute for Educational Planning, 1993
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Paris: UNESCO: International Institute for Educational Planning [u.a.], 1993
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Paris: Unesco, International Institute for Educational Planning, 1992
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[Paris]: Unesco, International Institute for Educational Planning, 1969
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Paris: Unesco, International Institute for Educational Planning, 1995
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Paris: Unesco, 1991
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Paris: Unesco: International Institute for Educational Planning, 1991
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Paris: Unesco, International Institute for Educational Planning, 1988
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Paris: Unesco, 1984
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New York [u.a.]: Garland, 1995
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Paris: UNESCO, 2015
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Paris: IIEP - Internat. Inst. for Educational Planning, 2013
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Paris: UNESCO: International Institute for Educational Planning, 2002
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Paris: [Verlag nicht ermittelbar], 1996- / Nachgewiesen 14.1996 -
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Paris: UNESCO, 2012
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Paris [u.a.]: IIEP - Intern. Inst. for Educational Planning [u.a.], 2012
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Paris [u.a.]: IIEP - Intern. Inst. for Educational Planning [u.a.], 2012
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Paris: UNESCO, 2011