A. J. Hizbullah and P. Setiarso, “Fabrication of Carbon Paste Electrode Modified with Bentonite Nanoparticles and Titanium Dioxide Nanoparticles for Analysis of Methyl Parabens by Cyclic Voltammetry”, J. Pijar.MIPA, vol. 19, no. 1, pp. 119–124, Jan. 2024.