Ender Mulazimoglu, Ibrahim. “Covalent Modification of a Glassy Carbon Surface by Electrochemical Oxidation of 3,3’-Diaminobenzidine”. Asian Journal of Chemistry, vol. 22, no. 10, Aug. 2010, pp. 8203-8, https://asianpubs.org/index.php/ajchem/article/view/12106.