Betsy, K. J., M. Jilu, R. Fathima, and J. T. Varkey. “Determination of Alkali Content & Total Fatty Matter in Cleansing Agents”. Asian Journal of Science and Applied Technology, vol. 2, no. 1, Apr. 2021, pp. 8-12, doi:10.51983/ajsat-2013.2.1.755.