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This field is used to indicate the primary human language or languages used within this learning object to communicate to the intended user.
If the course is taught primarily in a language other than English, assign the appropriate IETF language code. Examples: "en-US" for American English, "es" for Spanish, "fr" for French, "de" for German, "ja" for Japanse, "pt" for Portuguese, "zh" for Chinese, "ru" for Russian.
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