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In the literature it has been confused with Mbagani, which goes by the same name. For instance, Guthrie assigned code L.22 "Binji" to what Maho labels Mbagani; in Maho, true Binji is L.231. The two languages are separated by 200 km.
References
Binji at Ethnologue (18th ed., 2015) (subscription required)