SY CHUNG, Le et al.
 Using Biochar to Improve Soil Fertility and Productivity  of Drought-Tolerant Sweet Potatoes  in Thanh Hoa Coastal Sandy Soil.
<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], oct. 2024.
ISSN 2588-1094.
Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/5208" target="_new">https://js.vnu.edu.vn/EES/article/view/5208</a>&gt;. Date accessed: 24 nov. 2024.
doi: <a href="https://doi.org/10.25073/2588-1094/vnuees.5208">https://doi.org/10.25073/2588-1094/vnuees.5208</a>.