Nguyen, T. B. T., L. K. T. Vo, and C. V. Nguyen. “Developing a Toolkit to Evaluate Listening Comprehension and Speech Use Abilities of Children Aged 12 to 36 Months”. Vietnam Journal of Education, vol. 9, no. 2, June 2025, pp. 311-24, doi:10.52296/vje.2025.515.