Utulu, Don C., Ajiboye, Emuobonuvie, and M. and Ajede, Chika K. “Tonal Adaptation Strategies in Èwùlù and Ùrhòbò Loanword Phonologies”. International Journal of Linguistics, Literature and Translation 3, no. 9 (September 30, 2020): 87–96. Accessed September 26, 2025. https://al-kindipublishers.org/index.php/ijllt/article/view/443.