La información está incompleta “Sepik languages: checklist and preliminary classification” . Laycock, Donald C. (1973) , Wurm, Stephen A. · Australian National University, Research School of Pacific Studies, Department of Linguistics
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30 villages in Papua New Guinea: Abaru, Dieru, Iburu, Minaburu, Ogru, Simia, Baiuwai, Baio, Biake No. 1, Biake No. 2, Buna, Hifi, Iaburu, Idam No. 1, Idam No. 2, Ileis, Imnai, Isu, Kaseiru, Kobararu, Maha, Mahani, Musuasi, Sereian, Waiar, Wauru, Yaseiru, Beimap, Wagu No. 1, and Weidoru. 8? villages in Indonesia: Buriap, Yabal, and 6 more?