Muniyappan, K., and G. Chandramohan. “Oxidation of Indole by Peroxomonosulfate in Acetic Acid Medium: A Kinetic and Antibacterial Study”. Asian Journal of Chemistry 29, no. 5 (March 10, 2017): 1155–1160. Accessed July 7, 2024. https://asianpubs.org/index.php/ajchem/article/view/29_5_42.