V.-A. Nguyen, T. T. Nguyen, H. H. Hoang, and H. H. Cao, “Improvement of Detergency Properties and Anti-Microbial Action of Biosoaps Using Saponin-Rich Extract and Α-Bisabolol Essential Oil”, ETSD, vol. 33, no. 1, pp. 9–17, Mar. 2023.