Atoye, Raphael O. “On the Sources of Interlanguage Phonology: Some Evidence from Yoruba-English”. Alicante Journal of English Studies / Revista Alicantina de Estudios Ingleses, no. 7 (November 30, 1994): 37–46. Accessed April 19, 2024. https://raei.ua.es/article/view/1994-n7-on-the-sources-of-interlanguage-phonology-some-evidence-.