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Search keyword：(Author: #Ketter Per-Marcel)
Vocational training of young people in new forms of employment : conference report, report on CEDEFOP conference within the framework of the research project "vocational training of young people in new forms of employment" Berlin, 15-17 May 1984 / prepared by (the Projektgruppe, Sozialpädagogische Orientierte Berufsausbildung) Hans-Joachim Petzold, Wolfgang Schlegel, Per-Marcel Ketter
: pbk. - Berlin : European Centre for the Development of Vocational Training. - Washington, DC : European Community Information Service [distributor] , 1985