J. A. Bayona-Soto, G. T. Navarro-Claro, and E. A. Montero-Coronel, “Financial analysis of the Colombian banking sector in the period 2016 - 2020”, Mundo Fesc, vol. 11, no. S2, pp. 353–370, Sep. 2021, doi: 10.61799/2216-0388.1036.