Le Minh Tri, Nguyen Thanh Tung, Ngo Van Thanh Huy, Tran Anh Khoa, and Tran Anh Khoi. 2025. “Cobalt-Doped Biochar Derived from Coir Fiber Activation for Peroxymonosulfate Degradation of Methylene Blue”. Journal of Military Science and Technology 102 (102):76-83. https://doi.org/10.54939/1859-1043.j.mst.102.2025.76-83.