Huu Trinh, Le, 		Duc Cuong, Nguyen, 		Dang Trung, Do, AND 		Van Hieu, Nguyen.
" Synthesis and Characterization of Hierarchical CeO2 Spherical Nanoparticles for Photocatalytic Degradation  of Methylene Blue" <em>VNU Journal of Science: Mathematics - Physics</em> [Online], Volume 37 Number 4 (3 December 2021)