Le, Thi Thuy Huong, Dinh Hieu Truong, Thi Le Anh Nguyen, Pham Minh Quan, Thi Chinh Ngo, and Dao Duy Quang. 2022. “SERS Chemical Enhancement of 2,4,5-Trichlorophenoxyacetic Acid Absorbed on Au20, Its Au-Ag and Au-Cu Bimetallic Clusters: A DFT Study”. Vietnam Journal of Science and Technology 60 (4). Hanoi, VN:641-51. https://doi.org/10.15625/2525-2518/16090.