A. A. Ramadan, H. Mandil, and A. Shikh-Debes, “Differential Pulse Anodic Stripping Voltammetric Analysis for Determination Selenium (IV) in Bulk and in Dosage Formulations Using Multi-Modified Gold Electrode With a Mixture of O-Phenylenediamine and 2,3-Diaminonaphthalene-Nafion”, JAC, vol. 15, no. 2, pp. 6248–6261, Nov. 2018.