Un-udom, Suwitchan, and Chomraj Patanasorn. “Effects of Task Sequencing in the Cognition Hypothesis on EFL Learner Perception of Task Difficulty”. Journal of Studies in the English Language 15, no. 2 (December 18, 2020): 1–26. Accessed May 19, 2024. https://so04.tci-thaijo.org/index.php/jsel/article/view/220211.