Ngoc Luu Ly, N. and Thu Bich Ha, N. 2022. TEACHING ENGLISH TO PRE-SCHOOLERS USING ‘LEARNING BY PLAYING’ APPROACH: EXPERIMENT, RESULTS AND DISCUSSION. VNU Journal of Foreign Studies. 38, 2 (Apr. 2022), 76–93. DOI:https://doi.org/10.25073/2525-2445/vnufs.4827.