M. P. Mayorga Díaz, M. T. Espinosa Jaramillo, A. A. López Jara, and M. I. Chango Masaquiza, “Internal control for the cash area in Savings and Credit Cooperatives. Case study: savings and Credit Cooperative Indígenas Galápagos Ltda.”, VD, vol. 4, no. 2, pp. 57-80, Apr. 2020.