Ríos, David, and María Sol Proaño. “Determinants of Business Performance in Ecuador During the COVID-19 Pandemic”. Cuestiones Económicas 31, no. 3 (November 25, 2021): Autores: David Ríos, María Sol Proaño. Accessed November 14, 2026. https://estudioseconomicos.bce.fin.ec/index.php/RevistaCE/article/view/366.