D. Q. Ta, M. H. Khong, T. T. H. Tran, T. H. Nguyen, V. C. Nguyen, and M. T. Le, “Research on Chemically Modified Tire-Derived Char and Preliminary Evaluation of Activated Char/Mn-Co-CeOx Catalysts for Toluene Treatment”, ETSD, vol. 36, no. 1, pp. 001–008, Feb. 2026.