Heng, Chan Swee, Ain Nadzimah Abdullah, and Yu Zhonggen. “Determining Attrition of Writing Skills Among Chinese EFL Learners”. Asian Journal of Assessment in Teaching and Learning 2 (December 3, 2012): 1–18. Accessed December 6, 2025. https://ejournal.upsi.edu.my/index.php/AJATeL/article/view/1921.