Nasirian, A., and M. Keshavarz. “Study on the Thermodynamic Spectroscopy Methods of Dopamine With V(V), Ni(II) and Co(III)”. Asian Journal of Chemistry, vol. 24, no. 5, Jan. 2012, pp. 2301-3, https://asianpubs.org/index.php/ajchem/article/view/9005.