Treffers, Three dimensions.
Treffers, Three dimensions.
Treffers, Adrian: Three dimensions. a model of goal and theory description in mathematics instruction – the Wiskobas Project. Dordrecht, Reidel, 1987. XV, 351 S Ill. Hardcover. Einband bestoßen, daher Mängelexemplar gestempelt, sonst sehr guter Zustand. Imperfect copy due to slightly bumped cover, apart from this in very good condition. Stamped. Mathematics education library, [3].
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