ID:DA05446051
同姓同名の著者を検索
Siegfried Bergner
Bund-Verlag 1991 HBS Praxis Bd. 3
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Siegfried Bergner ... [et al.]
CEDEFOP, European Centre for the Development of Vocational Training , Office for Official Publications of the European Communities 1991 1st ed CEDEFOP document
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CEDEFOP, Centre européen pour le développement de la formation professionnelle 1990 1re éd CEDEFOP document
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