| |
Journal of the Learning Sciences (2004), pp. 15-42.
|
| |
In New directions in educational technology (1992)
|
| |
Journal of the Learning Sciences, Vol. 11, No. 1. (2002), pp. 105-121.
|
| |
|
| |
British Educational Research Journal, Vol. 30, No. 4. (2004), pp. 577-590.
|
| |
Educational Psychologist, Vol. 39, No. 4. (2004), pp. 225-233.
|
| |
Journal of the Learning Sciences, Vol. 13, No. 1. (2004), pp. 77-103.
|
| |
The Journal Of the Learing Sciences, Vol. 2 (1992), pp. 141-178.
|
| |
Journal of the Learning Sciences, Vol. 13, No. 1. (2004), pp. 1-14.
|
| |
Educational Researcher, Vol. 32 (2003)
|
| |
Educational Researcher, Vol. 32 (2003)
|
| |
Educational Researcher, Vol. 32 (2003)
|
| |
Educational Researcher, Vol. 32 (2003)
|
| |
Educational Researcher, Vol. 32 (2003)
|
| |
Educational Researcher, Vol. 32 (2003)
|
| |
Educational Researcher, Vol. 32 (2003)
|
| |
Educational Researcher, Vol. 32 (2003)
|
| |
Educational Researcher, Vol. 32 (2003)
|
| |
|