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↑Pacchiarotti, Sara; Chousou-Polydouri, Natalia; Bostoen, Koen (2019). "Untangling the West-Coastal Bantu mess: identification, geography and phylogeny of the Bantu B50-80 languages". Africana Linguistica. 21: 87–162.
↑Hammarström, Harald; Forkel, Robert; Haspelmath, Martin (eds.). "KLC Extended". Glottolog . Jena, Germany: Max Planck Institute for the Science of Human History.