81 | Richards J., Steffe L. P. & Glasersfeld E. von (1983) Perspectives and summary. In: Steffe L. P., Glasersfeld E. von, Richards J. & Cobb P. (eds.) Children’s counting types: Philosophy, theory, and application. Praeger, New York: 112–123. |
![]() |
All content on this website (including text, photographs, audio files, and any other original works), unless otherwise noted, is licensed under a Creative Commons License.
Created 2003 by Alexander Riegler · Last update: 1 Dec 2018 |