https://orcid.org/0000-0002-4908-1839
References
- Abiodun M. 1991. Vowel harmony in Igede. Studies in African Linguistics, 22(2): 157–169. https://doi.org/10.32473/sal.v22i2.107422
- Anagbogu PN, Mbah BM, Eme CA. 2010. Introduction to linguistics (2nd edn). Awka: Amaka Dreams Limited.
- Blench RM. 1989. A proposed new classification of Benue-Congo languages. Afrikanische Arbeitspapiere, Köln 17: 115–147.
- Casali RF. 2008. ATr harmony in African languages. Language and Linguistic Compass 2: 496–549. https://doi.org/10.1111/j.1749-818X.2008.00064.x
- Casali RF. 2016. Some inventory-related asymmetries in the patterning of tongue root harmony systems. Studies in African Linguistics 45: 95–140. https://doi.org/10.32473/sal.v45i1.107254
- Casali RF. 2017. High-vowel patterning as an early diagnostic of vowel-inventory type. Journal of West African Languages 44(1): 79–112.
- Chomsky N, Halle M. 1968. The sound pattern of English. New York: Harper and row.
- Clements GN. 1985. Akan vowel harmony: a nonlinear analysis. In: Goyvearts D. (ed), African linguistics: Essays in memory of MWK Semikenke. John Benjamins. Amsterdam. pp 55–98. https://doi.org/10.1075/ssls.6.06cle
- Clements GN. 2000. Phonology. In: Heine B, Nurse D (eds), African languages: An introduction. Cambridge: Cambridge University Press. pp 123–160.
- Emenanjo EN. 1978. Elements of modern Igbo grammar: A descriptive approach. Ibadan: Oxford University Press.
- Ezimechine EO. 2014. A history of Èwùlù people of Delta State, Nigeria, from the earliest time up to 1960. MA thesis. University of Ibadan, Nigeria.
- Goldsmith JA. 1976. Autosegmental phonology. Bloomington: Indiana University Linguistics Club.
- Iloene G. 2010. Igbo phonology. In: Yusuf O (ed). Basic linguistics for Nigerian languages. Ijebu-Ode: Shebiotimo Publications. pp 169–187.
- Katamba F. 1989. Introduction to phonology. London: Longman Group Limited.
- Lindau M. 1975. Features for vowels. UCLA Working Papers in Phonetics 30. Los Angeles, University of California.
- Federal Bureau of Statistics. 2006. Nigerian Population Census 2006. Directorate of Lands and Survey, Governor's Office, Asaba.
- Otero MA. 2015. [+ATr] Dominant vowel harmony except when it’s not? Evidence from Ethiopian Komo. In: Kramer R, Zsiga EC, Boyer OT (eds), Selected Proceedings of the 44th Annual Conference on African Linguistics. Somerville, MA: Cascadilla Proceedings Project. pp 212–220.
- Smolek A. 2010. Vowel harmony in Tuvan and Igbo: Statistical and optimality theoretic analyses. Doctoral thesis. Swarthmore College, USA.
- Stewart JM. (1967). Tongue root position in Akan vowel harmony. Phonetica 16: 185–204. https://doi.org/10.1159/000258568
- Utulu DC. 2015. Verbal reduplication in Èwùlù. ANSU Journal of Arts and Social Sciences 1(4): 155–167.
- Utulu DC. 2018. The patterning of segments and tones in Èwùlù compounding process. International Journal of Humanities, Social Sciences and Education 5(3): 150–159. http://doi.org/10.20431/2349-0381.0503016
- Utulu DC, Ajede KC. 2019. The internal structure of words in Èwùlù. Abraka Humanities Review 9(1): 20–41. https://www.ajol.info/index.php/abraka/article/view/239082
- Williamson K. 1989. Benue-Congo overview. In: Bendor-Samuel J (ed), The Niger–Congo languages. Lanham: University Press of America. pp 246–274.
- Williamson K, Blench R. 2000. ‘Niger Congo’. In: Heine B, Nurse D (eds), Languages: an introduction. Cambridge: Cambridge University Press. pp 11–42.