MAI, Dang; 						VUONG, Nguyen Van; 						NGU, Nguyen Trong.
 Distribution of Arsenic, Copper, Lead, Zinc elements in water and soils of sulfur deposits in the North West of Hanoi.
<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], v. 25, n. 2, june 2009.
ISSN 2588-1094.
Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/1865" target="_new">https://js.vnu.edu.vn/EES/article/view/1865</a>&gt;. Date accessed: 17 may 2024.