Dimaculangan, D. A. A., V. C. Bungay, and A. N. Soriano. “Determination of Diffusion Coefficients of Heavy Metal Ions (Ni3+, Zn2+, Ba2+, and Mn2+) at Infinite Dilution through Electrolytic Conductivity Measurements”. ASEAN Journal of Chemical Engineering, Vol. 22, no. 1, June 2022, pp. 58-71, https://journal.ugm.ac.id/v3/AJChE/article/view/9227.