Nguyen, Thuy Bich Thi, Linh Khanh Thi Vo, and Chi Van 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 9, no. 2 (June 30, 2025): 311–324. Accessed May 22, 2026. https://vje.vn/index.php/journal/article/view/515.