ANH, Bui Vu et al.
 Research on Resources and Environment                                 of Vietnam’s Higher Education System in Accordance        with U21 Ranking of National Higher Education Systems.
<strong>VNU Journal of Science: Education Research</strong>, [S.l.], v. 37, n. 3, aug. 2021.
ISSN 2588-1159.
Available at: &lt;<a href="https://js.vnu.edu.vn/ER/article/view/4550" target="_new">https://js.vnu.edu.vn/ER/article/view/4550</a>&gt;. Date accessed: 25 apr. 2024.
doi: <a href="https://doi.org/10.25073/2588-1159/vnuer.4550">https://doi.org/10.25073/2588-1159/vnuer.4550</a>.