OYAGI, Moses O.; ONYATTA, John O.; KAMAU, Geoffrey N.; GUTO, Peterson M. Simultaneous Determination of Trace Lead (II), Cadmium (II) and Cobalt (II) by Differential Pulse Anodic Stripping Voltammetry Using Polyacrylic acid/Glassy Carbon Electrode. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 23, n. 2, p. 324–334, 2015. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/4309. Acesso em: 13 sep. 2025.