Thi Thuy Khue, Nguyen, et al. “Synthesis and Characterization of PVP Coated Gadolinium Oxide Nanoparticles for Imaging Applications”. <i>Vietnam Journal of Science and Technology</i>, vol. 62, no. 1, Feb. 2024, pp. 68-77, doi:10.15625/2525-2518/17349.