Www.icem-freinet.fr/archives/educ/82-83/6/1.pdf. Www.icem-freinet.fr/archives/educ/82-83/6/2-9.pdf. Www.icem-freinet.fr/archives/educ/64-65/4-2/8-9.pdf. Www.icem-freinet.fr/archives/educ/81-82/11/5-6.pdf.
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