[1]T. C. Truong, T. T. H. Ngo, N. A. Dao, T. T. M. Nguyen, B. T. Tran, and X. T. Vu, “Optimization of parameters in the fermentation of soapnuts using <i>Saccharomyces cerevisiae</i> via response surface methodology”, <i>Vietnam J. Biotechnol.</i>, vol. 24, no. 1, pp. 99–108, Mar. 2026.