Duong, My Tham, Nguyen Thien Duyen Ngo, and Ha Thao Mi Nguyen. 2025. “A PROPOSED FRAMEWORK FOR WASHBACK EFFECTS OF E-PORTFOLIOS IN SPEAKING ASSESSMENT”. VNU Journal of Foreign Studies 41 (1S (Special Issue):44-60. https://doi.org/10.63023/2525-2445/jfs.ulis.5406.