HUONG, Ta Thi Thanh.
 Using Mind Maps to Improve 4th Graders’ Oral Performance in “Speak Out” Lessons: Action Research at a Primary School in Hanoi.
<strong>VNU Journal of Science: Education Research</strong>, [S.l.], v. 40, n. 4, july 2024.
ISSN 2588-1159.
Available at: &lt;<a href="https://js.vnu.edu.vn/ER/article/view/4897" target="_new">https://js.vnu.edu.vn/ER/article/view/4897</a>&gt;. Date accessed: 22 jan. 2025.
doi: <a href="https://doi.org/10.25073/2588-1159/vnuer.4897">https://doi.org/10.25073/2588-1159/vnuer.4897</a>.