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<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], v. 31, n. 2, june 2015.
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Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/207" target="_new">https://js.vnu.edu.vn/EES/article/view/207</a>&gt;. Date accessed: 02 may 2024.