L. Quinde-Arreaga, J. Herrera-Rivera, and C. Orbe-Ramos, “Economic implications of Ecuador’s external debt: Statistical analysis (1970–2024)”, RUGC, vol. 3, no. S3, pp. 389–396, Oct. 2025, Accessed: Oct. 31, 2026. Available: https://revistacientifica.ugc.mx/index.php/rugc/article/view/267