ANH, Nguyen Ngoc; 						HUONG, Bui Thi Thanh; 						TRANG, Hoang Gia.
 Noise Pollution in Schools of Hanoi City: Status and Sollutions.
<strong>VNU Journal of Science: Education Research</strong>, [S.l.], v. 39, n. 1, may 2022.
ISSN 2588-1159.
Available at: &lt;<a href="https://js.vnu.edu.vn/ER/article/view/4648" target="_new">https://js.vnu.edu.vn/ER/article/view/4648</a>&gt;. Date accessed: 08 may 2024.
doi: <a href="https://doi.org/10.25073/2588-1159/vnuer.4648">https://doi.org/10.25073/2588-1159/vnuer.4648</a>.