Barón Ávila, Andrés. “Bilingualism Models: Do They Strengthen or Weaken the Oral Communicative Process in Contexts of English As a Foreign Language in Fifth Grade Primary Students?”. GIST – Education and Learning Research Journal, no. 4 (November 1, 2010): 50–61. Accessed April 24, 2024. https://latinjournal.org/index.php/gist/article/view/584.