“The Effect of Acetonitrile Solvent on the Quantitative Determination of Europium (III) by Voltammetry and Its Optimization Using the Box-Behnken Design”. Jurnal Kimia Valensi, vol. 8, no. 1, May 2022, pp. 69-78, https://doi.org/10.15408/jkv.v8i1.22508.