Duong, Tham My, Quyen Nguyen, and Thao Quoc Tran. “Insights into the Effects of Online-Based Writing Mock-Tests on EFL learners’ Writing Skills”. English Language Teaching Educational Journal 9, no. 2 (September 4, 2026): 305–320. Accessed September 9, 2026. http://journal2.uad.ac.id/index.php/eltej/article/view/16414.