Huu Nghi, Tran, and Ngo Huynh Hong Nga. 2026. “FACTORS INFLUENCING VIETNAMESE EFL TEACHERS’ PROFESSIONAL DEVELOPMENT: A QUALITATIVE STUDY IN THE MEKONG DELTA”. Journal of Science Educational Science 71 (1): 107-17. https://doi.org/10.18173/2354-1075.2026-0011.