NGAN HA, Nguyen; 						LINH, Dang Ngoc.
 Diversity of Medicinal Plants at Phia Oac - Phia Den National Park, Nguyen Binh District, Cao Bang Province.
<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], v. 35, n. 1, mar. 2019.
ISSN 2588-1094.
Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/4367" target="_new">https://js.vnu.edu.vn/EES/article/view/4367</a>&gt;. Date accessed: 25 apr. 2024.
doi: <a href="https://doi.org/10.25073/2588-1094/vnuees.4367">https://doi.org/10.25073/2588-1094/vnuees.4367</a>.