Anh, Luu Thi Lan, et al. “Synthesis and Properties of G-C3< sub>N4< sub> Bulk and Nanosheets Derived from Thiourea”. <i>Vietnam Journal of Science and Technology</i>, vol. 64, no. 1, June 2025, pp. 78–86, doi:10.15625/2525-2518/18821.