Maramygin, M., N. Kuznetsov, A. Ushanov, and V. Shestak. “Credit Risk, Management Behavior and Macroeconomic Equilibrium in Modern Banking Systems”. Opción, Vol. 35, Oct. 2019, pp. 1237-53, http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/29538.