Udhayakalaa, P., T. Rajendiranb, and S. Gunasekaran. “Density Functional Theory Investigations for the Adsorption of Some Oxadiazole Derivatives on Mild Steel”. Journal of Advanced Scientific Research, Vol. 3, no. 03, Aug. 2012, pp. 67-74, https://sciensage.info/index.php/JASR/article/view/119.