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”. Journal of Contemporary Educational Policies and Practices, vol. 9, no. 2, June 2025, pp. 311-24, doi:10.52296/vje.2025.515.