Nguyen Thi Hoai Phuong, Nguyen Duy Hung, Nguyen Cong Tu, Ngo Minh Tien and Tran Van Khanh 2025. Freeze drying WO₃ nanostructures for photocatalyst degradation of Rhodamine B dye from aqueous solution. Journal of Military Science and Technology. IMBE (Nov. 2025), 95–101. DOI:https://doi.org/10.54939/1859-1043.j.mst.IMBE.2025.95-101.