CONG LUC, Huynh; 						VIET, Luong Van.
 Drought Evolution in the Srepok River Basin (2000-2022) Based on the Vegetation Health Index (VHI)  and Standardized Precipitation Index (SPI).
<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], dec. 2025.
ISSN 2588-1094.
Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/5314" target="_new">https://js.vnu.edu.vn/EES/article/view/5314</a>&gt;. Date accessed: 13 dec. 2025.
doi: <a href="https://doi.org/10.25073/2588-1094/vnuees.5314">https://doi.org/10.25073/2588-1094/vnuees.5314</a>.