Bui, Quyen Thi Thuc, and Tran Thi Bao Nguyen. “EFL teachers’ Use of Collaborative Writing and Its Challenges: A Dual-Case Study from Vietnam”. International Journal of Innovative Research and Scientific Studies 8, no. 7 (October 3, 2025): 519–530. Accessed January 23, 2026. https://ijirss.com/index.php/ijirss/article/view/10484.