KIEN, Truong Trung et al.
 Assessment of Groundwater Quality in Ha Tinh Province  Using Water Quality Index.
<strong>VNU Journal of Science: Natural Sciences and Technology</strong>, [S.l.], apr. 2025.
ISSN 2588-1140.
Available at: &lt;<a href="https://js.vnu.edu.vn/NST/article/view/5845" target="_new">https://js.vnu.edu.vn/NST/article/view/5845</a>&gt;. Date accessed: 28 apr. 2025.
doi: <a href="https://doi.org/10.25073/2588-1140/vnunst.5845">https://doi.org/10.25073/2588-1140/vnunst.5845</a>.