Hang, P., Ke, N., Phuong, D., & Hung, L.
(2011).
Enhancing the photocatalytic activity under visible light of chromium doped TiO2 thin film prepared by sol-gel method.
VNU Journal Of Science: Mathematics - Physics, 27(4).
Retrieved from https://js.vnu.edu.vn/MaP/article/view/1536