Nguyễn, T. T., T. M. N. Bùi, M. L. Nguyễn, and V. H. Nguyễn. “The Influence of Biochar Content on the Structure and Photocatalytic Activity of TiO₂/G-C₃N₄/Biochar Composite Materials”. Hue University Journal of Science: Natural Science, vol. 134, no. 1A, Mar. 2025, doi:10.26459/hueunijns.v134i1A.7764.