THIEN, Dau Dang et al.
 Study on Differential Pulse Anodic Stripping Voltammetry Method for Simultaneous Determination of Trace amount of Zn, Cd, Pb, Cu in some Cough Syrups in Vietnam.
<strong>VNU Journal of Science: Natural Sciences and Technology</strong>, [S.l.], dec. 2024.
ISSN 2588-1140.
Available at: &lt;<a href="https://js.vnu.edu.vn/NST/article/view/5702" target="_new">https://js.vnu.edu.vn/NST/article/view/5702</a>&gt;. Date accessed: 15 jan. 2025.
doi: <a href="https://doi.org/10.25073/2588-1140/vnunst.5702">https://doi.org/10.25073/2588-1140/vnunst.5702</a>.