Educational technology in the third world a general systems perspective
| Päätekijä: | |
|---|---|
| Aineistotyyppi: | Kirja |
| Kieli: | English |
| Julkaistu: |
Ithaca, N. Y.
Department of Communication Arts, Graduate Teaching and Research Center, Cornell Univ.
c1974n
|
| Sarja: | Papers in communication
no.9 |
| Aiheet: |