The teleconferencing resource book : a guide to applications and planning /
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Autors principals: | , |
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Format: | |
Publicat: |
Amsterdam : Elsevier Science Pub.,
1984
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Matèries: |
16
Autors principals: | , |
---|---|
Format: | |
Publicat: |
Amsterdam : Elsevier Science Pub.,
1984
|
Matèries: |