R, Kumaravelrajan, et al. “Characterization of Immobilized β-Amylase Enzyme Isolated from Sweet Potato and Prepared by Entrapment Method”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 15, no. 6, Dec. 2022, pp. 6196-03, doi:10.37285/ijpsn.2022.15.6.2.