Đại, Lưu Minh, and Nguyễn Thị Tố Loan. “Synthesis Α-Fe2O3 Nanosized by the Gel Combustion Method”. Vietnam Journal of Chemistry 48, no. 3 (August 15, 2012). Accessed December 6, 2025. https://vjs.ac.vn/vjchem/article/view/2116.