“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” (2018) JOURNAL OF ADVANCES IN CHEMISTRY, 15(2), pp. 6248–6261. doi:10.24297/jac.v15i2.7818.