M. Awadallah, R. (2010). Conductometric and Spectrophotometric Studies on Copper(II), Zinc(II) and Cadmium(II) Complexes Of 4-(2-pyridylazo) Resorcinol . Asian Journal of Chemistry, 4(3), 511–517. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/25090