Results 131 to 140 of about 11,171 (165)
Some of the next articles are maybe not open access.

Mengenlehre in der Grundschule?

1972
Bauersfeld, Heinrich, Hengartner, Elmar
openaire   +1 more source

Familie und Grundschule

2020
Sabine Martschinke   +3 more
openaire   +1 more source

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