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| First Page | Document Content | |
|---|---|---|
 Date: 2011-05-13 09:05:14Language preservation Indigenous language Endangered language Traditional knowledge Red Book of Endangered Languages Human behavior Terralingua Culture UNESCO Language |
| First Page | Document Content | |
|---|---|---|
Date: 2011-05-13 09:05:14Language preservation Indigenous language Endangered language Traditional knowledge Red Book of Endangered Languages Human behavior Terralingua Culture UNESCO Language |
