Niknam, Khodabakhsh. “Pyridinium Chlorochromate Supported on Alumina As an Efficient Oxidizing Agent for Oxidation of Alcohols Under Solvent Free Conditions”. Asian Journal of Chemistry, vol. 17, no. 4, June 2016, pp. 2513-6, https://asianpubs.org/index.php/ajchem/article/view/13886.