| 2000 |
|---|
| 4 | | Klaus-Dieter Graf,
Kiyoshi Yokochi:
Students teach students.
The Bookmark of the School of the Future 2000: 149-158 |
| 1999 |
|---|
| 3 | | Hisao Koizumi,
Takashi Dasai,
Klaus-Dieter Graf,
Kiyoshi Yokochi,
Seiji Moriya:
Interactive distance learning between Japan and Germany.
Communications and Networking in Education 1999: 39-50 |
| 1997 |
|---|
| 2 | | Takashi Dasai,
Hisao Koizumi,
Kiyoshi Yokochi:
A Collaborative Distance Learning System and its Experimental Results.
HCI (2) 1997: 165-168 |
| 1 | | Klaus-Dieter Graf,
Kiyoshi Yokochi:
Educational experiments of distance learning and reorganisation of mathematics education.
Secondary School Mathematics in the World of Communication Technology 1997: 265-276 |
