[1] N. T. Viet Ha, L. H. Hoa, H. T. Trang, P. L. Thuy, and D. T. N. Huy, “Several Techniques and methods for Improving english teaching Quality for Students based on Learner-Centered Approach,” IJLLC, vol. 2, no. 5, pp. 12–17, 2022, doi: 10.22161/ijllc.2.5.3.