1. Brevik, M. L., Olsen V. R., & Hellekjær O. G. (2016). The complexity of second language reading: investigating the L1-L2 relationship. Reading in a Foreign Language, 28(2), 161–182. https://sydney. primo.exlibrisgroup.com/permalink/61USYD_INST/2rsddf/cdi_proquest_journals_1850833316
2. Chen, I. J., & Chang, C. C. (2009). Cognitive load theory: an empirical study of anxiety and task performance in language learning. Electronic Journal of Research in Educational Psychology, 7(2), 729–746. http://repositorio.ual.es/bitstream/handle/10835/759/Art_18_348.pdf?sequence=1
3. Cowan, N. (2010). The magical mystery four: How is working memory capacity limited, and why? Current directions in psychological science, 19(1), 51-57. https://doi.org/10.1177/0963721409359277
4. Gilakjani, A. P., & Sabouri, N. B. (2016). Learners' Listening Comprehension Difficulties in English Language Learning: A Literature Review. English language teaching, 9(6), 123-133. https://eric.ed. gov/?id=EJ1101226
5. Guan, Y. R. (2019). Analysis of English majors' listening difficulties and strategies to cope with them. Overseas English, 2, 117-147. https://kns.cnki.net/kcms/detail/detail.aspx?FileName=HWYY201902053 &DbName=CJFQ2019