TRAN QUOC, Binh et al.
 Calculating real surface area of land parcels in hilly and mountainous regions.
<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], v. 33, n. 4, dec. 2017.
ISSN 2588-1094.
Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/4196" target="_new">https://js.vnu.edu.vn/EES/article/view/4196</a>&gt;. Date accessed: 27 sep. 2024.
doi: <a href="https://doi.org/10.25073/2588-1094/vnuees.4196">https://doi.org/10.25073/2588-1094/vnuees.4196</a>.