Eastman Curtis, John Kendall. “Why Listening to English Is Difficult for Spanish Students”. Alicante Journal of English Studies / Revista Alicantina de Estudios Ingleses, no. 4 (November 30, 1991): 49–64. Accessed September 25, 2024. https://raei.ua.es/article/view/1991-n4-why-listening-to-english-is-difficult-for-spanish-studen.