Hai Yen, P. T., V. T. Thu Ha, P. K. Duy, and V. H. Dang. “Investigation of Electrochemical Properties of Homemade Nano Gold Electrodes and Application in Determination of Hg(II) at the Trace Levels”. Vietnam Journal of Chemistry, vol. 53, no. 5, Dec. 2015, p. 657, doi:10.15625/7638.