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Erich Christian Wittmann
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Didaktische Probleme der Elementaren Algebra
Günther Malle, Heinrich Bürger, Erich Christian Wittmann · Vieweg Verlagsgesellschaft
324 sayfa · 1993
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Design Science and Its Importance in the German Mathematics Educational Discussion
Marcus Nührenbörger, Bettina Rösken-Winter, Chun Ip Fung, Ralph Schwarzkopf, Erich Christian Wittmann, Kathrin Akinwunmi, Felix Lensing, Florian Schacht · Springer
50 sayfa · 2016
Education / Mathematics & science / Mathematics, study and teaching / Classroom environment / Education, germany