Boiken
[aka Boikin, Nucum, Yangoru]Classification: Sepik
·vulnerable
Classification: Sepik
·vulnerable
The dialects of Boiken ( pp. 80-90 ) . Freudenburg, Allen (1976) · Anthropos. In Surveys in five Papua New Guinea languages edited by Loving, Richard · Summer Institute of Linguistics
Ethnologue: Languages of the World, 18th Edition . (2015) · edited by Lewis, M. Paul, Gary F. Simons, and Charles D. Fennig · SIL International http://www.ethnologue.com
Sepik languages: checklist and preliminary classification . Laycock, Donald C. (1973) · Pacific Linguistics · edited by Wurm, Stephen A. · Australian National University, Research School of Pacific Studies, Department of Linguistics