Hien, L. T. T., and T. T. Truong. “Effects of Seeds Treated With Cobalt Nanoparticles on Germination, Growth, Yield and Quality of Soybean Cultivar DT12”. Academia Journal of Biology, vol. 41, no. 2, June 2019, doi:10.15625/0866-7160/v41n2.13722.