"Gesundheitserziehung." . . "Sekundarstufe." . . "Gesellschaft." . . "Europa." . . "Études transculturelles Congrès." . . "Bildung." . . "Zielbildung." . . "Jugend." . . "Promotion de la santé Congrès Congrès." . . "Adolescents Santé et hygiène Congrès." . . "Frontiers in the Education of Young Adolescents (1994 ; Marbach)" . . . "Westliche Welt." . . "Johann Jacobs Foundation. Conference" . . "Jugend Zukunft Kongressbericht." . . "Schule." . . "Prognose 2000-2100" . . . . . . "Conference papers and proceedings"@en . "Conference papers and proceedings" . . . . . . . . . . . . "Preparing Adolescents for the Twenty-First Century Challenges Facing Europe and the United States" . . . . . . . . . . . . . . . . "Preparing adolescents for the 21st century"@en . "Preparing adolescents for the 21st century" . . . . . . . . . . . . . . . . . "Aufsatzsammlung" . . . . . "Preparing adolescents for the twenty-first century : challenges facing Europe and the United States" . . . . . "Electronic books"@en . "Preparing adolescents for the twenty-first century challenges facing Europe and the United States" . "Preparing adolescents for the twenty-first century challenges facing Europe and the United States"@en . . . . . "Habiletés de base Congrès." . . "Soziales." . . "Erziehung Zukunft Kongressbericht." . . "Erziehung." . . "Adolescents Éducation Congrès." . . "Aufsatzsammlung." . . . . "Transition école-travail Congrès." . . "Adolescenti Congressi." . . "Zielsetzung." . . "Schools as Health Promoting Environments (1995 ; Geneva)" . . . "Adolescenti Igiene mentale Congressi." . . "Adolescence Congrès Congrès." . . "USA." . . "Kongress." . . "adolescent éducation Etats-Unis Europe 20e s. (fin) [congrès]" . . "Zukunftsplanung." . .