Nam, Truong Thi, et al. “Effects of Number of Substituents and Molecular Weight of Polyamines on the Non-Cyanide Alkaline Zinc Plating Process”. <i>Vietnam Journal of Science and Technology</i>, vol. 59, no. 1, Jan. 2021, pp. 57-65, doi:10.15625/2525-2518/59/1/15452.