THI PHUONG, Tran; 						ANH LE, Hoang; 						VAN THANH, Nguyen.
 Circular Economy Approach in Organic Fertilizer Production from Agricultural by-Products in Ba Vi District, Hanoi.
<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], v. 38, n. 4, june 2022.
ISSN 2588-1094.
Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/4864" target="_new">https://js.vnu.edu.vn/EES/article/view/4864</a>&gt;. Date accessed: 22 dec. 2024.
doi: <a href="https://doi.org/10.25073/2588-1094/vnuees.4864">https://doi.org/10.25073/2588-1094/vnuees.4864</a>.