Norbert Wollschläger

发表

Internationalising vocational education and training in Europe : prelude to an overdue debate : a discussion paper

Jørn Søgaard, Norbert Wollschläger, 2000 .

European Centre for the Development of Vocational Training (CEDEFOP) annual report 1987

Norbert Wollschläger, N. Wollschläger, 1988 .