Ngombe
[también conocido como Ngombe-Kaka, Bagando-Ngombe, Bangando-Ngombe]Clasificación: Niger-Congo
·con amenaza de extinción
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Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·
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Endangered Languages in Central Africa ( pp. 163-178 ) . Bruce Connell (2007) · In Language Diversity Endangered edited by Matthias Brenzinger · Mouton de Gruyter
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Atlas of the World’s Languages in Danger . Christopher Moseley (ed.) (2010) · UNESCO Publishing http://www.unesco.org/culture/en/endangeredlanguages/atlas
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Interethnic relations in southeastern Cameroon: challenging the hunter-gatherer farmer dichotomy ( pp. 37-56 ) . Rupp, Stephanie (2003) · African study monographs: supplementary issue. 28
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Recent advances in Central African hunter-gatherer research . Ichikawa, Mitsuo and Kimura, Daiji (2003) · African study monographs: supplementary issue, #28 · Center for African Area Studies, Kyoto Univ.
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Dialectometrie lexicale dans le domaine oubangien ( pp. 331-393 ) . Boyeldieu, Pascal and France Cloarec-Heiss (1986) · In La méthode Dialectometrique appliquée aux languages africaines edited by Guarisma, Gladys and Wilhelm J. G. Möhlig · Dietrich Reimer Verlag