H. Bui Thuong, T. Le Phuong, P. . Nguyen Thu, D. Le Ngoc, L. Vo Dieu, A. Pham Le, L. Nguyen Lam, H. Nguyen Thi, T. Le Vinh, H. Mai, T. Dinh Thi Mai, M. . Herrmann, S. . Ouillon, T. Duong Thi and Q. Le Thi Phuong, Removal of methylene blue from aqueous solution by biochar derived from rice husk, Vietnam J. Earth Sci. 44 (2022) 273–285. DOI: https://doi.org/10.15625/2615-9783/16998.