Ketengban, also known asKupel, is aPapuan language spoken inPegunungan Bintang Regency,Highland Papua,Indonesia, near thePapua New Guinea border.

Dialects are Okbab (Okbap), Bime, Onya (Eastern Una; cf.Una), Omban (Kamume), Sirkai.

• John Louwerse, 1988,The morphosyntax of Una in relation to discourse structure

• Mek languages
• Languages of Western New Guinea
• Papuan language stubs

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