LUONG, Mai Nguyen Ngoc et al.
 Assessment of the Current State and Soil Quality  for Early Lychee Cultivation in Phuc Hoa Commune,  Tan Yen District, Bac Giang Province.
<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], apr. 2026.
ISSN 2588-1094.
Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/5349" target="_new">https://js.vnu.edu.vn/EES/article/view/5349</a>&gt;. Date accessed: 29 apr. 2026.
doi: <a href="https://doi.org/10.25073/2588-1094/vnuees.5349">https://doi.org/10.25073/2588-1094/vnuees.5349</a>.