The Banco del Sur de Pasto and the dispute between Sañudo y Restrepo on the convertibility of the currency. Business Vision, [S. l.], n. 11, p. 29–40, 2021. DOI: 10.32645/13906852.1060. Disponível em: https://revistasdigitales.upec.edu.ec/index.php/visionempresarial/article/view/1060. Acesso em: 21 oct. 2026.