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Eberhard, David M.; Simons, Gary F.; Fennig, Charles D., eds. (2022). Ethnologue: Languages of the World (25th ed.). Dallas, Texas: SIL International.
Eberhard, David M.; Simons, Gary F.; Fennig, Charles D., eds. (2022). Ethnologue: Languages of the World (25th ed.). Dallas, Texas: SIL International.