| |
| 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 | |
| 1 | Takashi Dasai | [2] [3] |
| 2 | Klaus-Dieter Graf | [1] [3] [4] |
| 3 | Hisao Koizumi | [2] [3] |
| 4 | Seiji Moriya | [3] |