Hue, Hoang Thi Huong, Nguyen Van Quang, and Nguyen Thi Anh. 2017. “Characterization of CaO-CuO-CeO2 Mixed Oxide Synthesized by the Impregnation and Investigation of Its Reusability”. Vietnam Journal of Science and Technology 55 (4). Hanoi, VN:429-36. https://doi.org/10.15625/2525-2518/55/4/8952.