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Language group of Africa
Not to be confused with Leco language.
The Leko languages are a small group of languages spoken in northern Cameroon and eastern Nigeria. They were labeled "G2" in Joseph Greenberg's Adamawa language-family proposal. The Duru languages are frequently classified with the Leko languages, although their relationship remains to be demonstrated.
Güldemann, Tom (2018). "Historical linguistics and genealogical language classification in Africa". In Güldemann, Tom (ed.). The Languages and Linguistics of Africa. The World of Linguistics series. Vol. 11. Berlin: De Gruyter Mouton. pp. 58–444. doi:10.1515/9783110421668-002. ISBN978-3-11-042606-9.
Blench, Roger (2019). An Atlas of Nigerian Languages (4th ed.). Cambridge: Kay Williamson Educational Foundation.