Duma is a Bantu language spoken in Gabon.
References
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| Official language |  | 
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| National languages |  | 
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| Immigrant languages |  | 
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| Indigenous languages |  | 
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| Zone A | | A10 |  | 
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 | A20 |  | 
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 | A30 |  | 
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 | A40 |  | 
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 | A50 |  | 
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 | A60 |  | 
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 | A70 |  | 
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 | A80 |  | 
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 | A90 |  | 
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| Zone B |  | 
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- The Guthrie classification is geographic and its groupings do not imply a relationship between the languages within them.
  
- Narrow Bantu languages by Guthrie classification zone templates
 
- Template:Narrow Bantu languages (Zones A–B)
 
- Template:Narrow Bantu languages (Zones C–D)
 
- Template:Narrow Bantu languages (Zones E–H)
 
- Template:Narrow Bantu languages (Zones J–M)
 
- Template:Narrow Bantu languages (Zones N–S)
  
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Authority control databases   | 
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| National |  | 
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| Other |  | 
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