Chi, Cai, Melor Md Yunus, and Norzaini Azman. “Learning Outcomes of Blended Learning in Business English Education: A Systematic Review of Major Categories, Assessment Approaches, and Supportive Factors (2020-2025)”. International Journal of Learning, Teaching and Educational Research 25, no. 4 (April 30, 2026): 31–55. Accessed June 25, 2026. http://www.ijlter.net/index.php/ijlter/article/view/2792.