N. T. Hiep, T. T. H. Thu, L. T. T. Quyen, P. D. Dong, T. T. Suong, and T. P. Vu, “Biochar Derived from Sesbania sesban Plant as a Potential Low-Cost Adsorbent for Removal of Methylene Blue: 10.32526/ennrj/20/202200119”, Environ. Nat. Resour. J., vol. 20, no. 6, pp. 611–620, Sep. 2022.