MAYORGA DÍAZ, M. P.; ESPINOSA JARAMILLO, M. T.; LÓPEZ JARA, A. A.; CHANGO MASAQUIZA, M. I. Internal control for the cash area in Savings and Credit Cooperatives. Case study: savings and Credit Cooperative Indígenas Galápagos Ltda. Visionario Digital, v. 4, n. 2, p. 57-80, 4 Apr. 2020.