F. . Leoncio Braga and S. . Braga, “Fast pattern recognition of malted and unmalted beer: An investigation using FTIR, UV-VIS, fluorescence spectroscopy and chemometrics”, Sci. agropecu, vol. 12, no. 3, pp. 361–367, Jul. 2021, doi: 10.17268/sci.agropecu.2021.039.