Sumbwa
The Sumbwa are an ethnic and linguistic group based in the Bukombe District, Shinyanga Region in central Tanzania. In 1987 the Sumbwa population was estimated to number 191,000 [1].
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Wikipedia
The Sumbwa are an ethnic and linguistic group based in the Bukombe District, Shinyanga Region in central Tanzania. In 1987 the Sumbwa population was estimated to number 191,000 [1].