1.Hong PN, Hong NT, Duc NA, Tu NTN, Duan LV, Ninh VT, et al. Effects of graphene content on formation and characteristics of char layer in intumescent coating. Vietnam J. Sci. Technol. [Internet]. 2024 Oct. 28 [cited 2026 Jan. 10];62(5):906-14. Available from: https://vjs.ac.vn/jst/article/view/17610