Releases med Erich Christian Wittmann

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Cover for Erich Christian Wittmann · Design Science and Its Importance in the German Mathematics Educational Discussion (Pocketbok) (2020)
Pocketbok
Design Science and Its Importanc...
Erich Christian Wittmann
Cover for Erich Christian Wittmann · Design Science and Its Importance in the German Mathematics Educational Discussion (Innbunden bok) (2020)
Innbunden bok
Design Science and Its Importanc...
Erich Christian Wittmann