T. T. N. Nguyen and A. Nguyen, “A survey into EFL students’ perceptions of studying English with native English-speaking teachers at Eastern International University Foreign Language Center”, J. Knowl. Learn. Sci. Technol., vol. 3, no. 2, pp. 162–176, Jun. 2024, doi: 10.60087/jklst.vol3.n2.p176.