Nguyen, Phuong My, and Phat Huu Nguyen. “Vocabulary Learning Strategies Employed by Vietnamese EFL Undergraduate Students: Evidence from Second-Year English Majors”. The University of Phan Thiet Journal of Science, vol. 4, no. 2, June 2026, pp. 85-108, http://tapchikhoahocupt.vn/index.php/uptjs/article/view/125.