Hiran, B.L., S.L. Jain, and S.N. Joshi. 2010. “Kinetics and Mechanism of Oxidation of Substituted Benzaldehydes by Peroxydisulphate ”. Asian Journal of Chemistry 6 (4):830-34. https://asianpubs.org/index.php/ajchem/article/view/24681.