Dissanayake, N.U.S., et al. “Characterization of Kaolin-Rich Laterite Soil for Applications for the Development of Soil-Based Cosmetic Products”. Journal of Drug Delivery and Therapeutics, vol. 12, no. 5-S, Oct. 2022, pp. 31-40, https://doi.org/10.22270/jddt.v12i5-S.5615.