Thi Hong Thao, Phan, Dang Thi Nhung, Tran Thi Huong, Nguyen Van Hieu, Nguyen Thi Hong Lien, Nguyen Vu Mai Linh, Dao Thi Hong Van, Nguyen Tuong Van, and Nguyen Hoai Chau. 2021. “Effects of Metal Nanoparticles of Iron, Copper and Cobalt on the Growth of Nitrogen-Fixing Bacterium Sinorhizobium Fredii T14 and Nodulation in Soybean Roots”. Vietnam Journal of Biotechnology 19 (4):725-33. https://doi.org/10.15625/1811-4989/17107.