1 Talált eredmények "Fájl:Mathematical_instruction_in_France_(IA_mathematicalinst00archrich).pdf".

Fájl:Mathematical instruction in France (IA mathematicalinst00archrich).pdf

recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Mathematical_instruction_in_France_(IA_mathematicalinst00archrich).pdf...

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