Freinet, C.: Education through work: a model for child centered learning; translated by John Sivell. Lewiston: Edwin Mellen Press, 1993. ISBN 0-7734-9303-4
Freinet, C.: Education through work: a model for child centered learning; translated by John Sivell. Lewiston: Edwin Mellen Press, 1993. ISBN 0-7734-9303-4