Tran, Thanh Tuan, et al. “Purification of a Protein-Based α-Glucosidase Inhibitor from <i>Aspergillus niger< I> VTCC 031”. <i>Vietnam Journal of Biotechnology</i>, vol. 24, no. 1, Mar. 2026, pp. 133-46, doi:10.15625/vjbt-22393.