Sánchez Pérez, Aquilino. “Keys for an Investigation into the Origins of the Communicative Methodology in Language Teaching”. Alicante Journal of English Studies / Revista Alicantina de Estudios Ingleses, no. 4 (November 30, 1991): 133–144. Accessed April 3, 2025. https://raei.ua.es/article/view/1991-n4-keys-for-an-investigation-into-the-origins-of-the-commun.