Ruwisch, S.,
2002,
Developments in Mathematics Education in German-speaking Countries: Selected Papers from the Annual Conference on Didactics of Mathematics, Bern, 1999. Weigand, H.-G., Neill, N., Peter-Koop, A., Reiss, K., Törner, G. & Wollring, B. (eds.).
Verlag Franzbecker,
p. 67-75 9 p.Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review