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Cover for Erich Christian Wittmann · Connecting Mathematics and Mathematics Education: Collected Papers on Mathematics Education as a Design Science (Paperback Book) [1st ed. 2021 edition] (2021)
Paperback Book
1st ed. 2021 edition
Connecting Mathematics and Mathe...
Erich Christian Wittmann
Cover for Erich Christian Wittmann · Design Science and Its Importance in the German Mathematics Educational Discussion (Paperback Book) (2020)
Paperback Book
Design Science and Its Importanc...
Erich Christian Wittmann
Cover for Erich Christian Wittmann · Design Science and Its Importance in the German Mathematics Educational Discussion (Hardcover Book) (2020)
Hardcover Book
Design Science and Its Importanc...
Erich Christian Wittmann