| Tekijä: | Birchall, D. W. |
| Otsikko: | Third generation distance learning. |
| Lehti: | Journal of European Industrial Training
1990 : VOL. 14:7, p. 17-20 |
| Asiasana: | DISTANCE LEARNING COMPUTERS INTERACTIVE COMPUTING COMMUNICATION |
| Kieli: | eng |
| Tiivistelmä: |
SCIMA