TRINH, Tran Dinh; 						HOAI PHUONG, Nguyen Thi.
 Synthesis of Magnetic Biochar and Their Application for the Treatment of Methylene Blue in Water.
<strong>VNU Journal of Science: Natural Sciences and Technology</strong>, [S.l.], v. 36, n. 1, mar. 2020.
ISSN 2588-1140.
Available at: &lt;<a href="https://js.vnu.edu.vn/NST/article/view/4939" target="_new">https://js.vnu.edu.vn/NST/article/view/4939</a>&gt;. Date accessed: 05 jan. 2025.
doi: <a href="https://doi.org/10.25073/2588-1140/vnunst.4939">https://doi.org/10.25073/2588-1140/vnunst.4939</a>.