Bukar–Sadong is an
Austronesian language mainly spoken by
Bidayuh people in Sarawak but also in bordering regions of West Kalimantan, Indonesia. McGinn (2009) proposes that it is the closest relative of the divergent
Rejang language of Sumatra.[2]
^McGinn, Richard (2009) "Out-of-Borneo subgrouping hypothesis for Rejang". In Adelaar & Pawley, eds, Austronesian historical linguistics and culture history