Kurzinfo: Karl Schweitzer, teacher at a commercial high school and a commercial middle school in Oberwart, wanted projects to become more important in his school. More disposable personal freedom and in particular the increasing dissatisfaction of the girls with their social position seem to be responsible for their strong commitment to the project.
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↑ http://www.ensi.org/media-global/downloads/Publications/95/USI08engl.pdf