Shubha, J. P., Vinutha, K., & Puttaswamy, P. (2013). Kinetics and mechanism of oxidation of amido black by sodium N-halo-p-toluenesulfonamides in acidic medium: Spectrophotometric approach. European Journal of Chemistry, 4(4), 408–413. https://doi.org/10.5155/eurjchem.4.4.408-413.806