Cambridge University Press ELT. (2022). Cambridge Papers in brief: the use of L1 in English language teaching [Video]. YouTube. https://www.youtube.com/watch?v=jCRP1Y_-vt4

Salmona Madriñán, M. (2014). The use of first language in the second-language classroom: A support for second language acquisition. GIST Education and Learning Research Journal, (9), 50–66. https://files.eric.ed.gov/fulltext/EJ1062663.pdf

Oxford. (2024). Four effective ways to incorporate L1 in your classroom [Photograph]. Facebook. https://www.facebook.com/teachingenglishwithoxford/photos/-enhance-your-lessons-with-these-four-simple-ways-to-use-l1-in-your-classroom-ex/966403532194680/

Phrasally Verbocious ELT Podcast. (2019). Use of L1 in the Classroom [Podcast episode]. Spotify. https://open.spotify.com/episode/0lXQBWUGZGzLhqLAVYqP3Y

McEvoy, B. (2025). The use of L1 in the ESL classroom [Presentación]. Prezi. https://prezi.com/p/n0jokoabcswe/the-use-of-l1-in-the-esl-classroom/

Cambridge University Press & Assessment. (2023, February 19th). When is it OK to use students’ L1 in the English classroom? World of Better Learning. https://www.cambridge.org/elt/blog/2023/02/19/when-to-use-students-l1-english-classroom/

Kerr, P. (2019). The use of L1 in English language teaching [PDF]. Cambridge Papers in ELT. Cambridge University Press. https://www.cambridge.org/be/files/6315/7488/4318/CambridgePapersInELT_UseOfL1_2019_ONLINE-2.pdf