HERRERA, S. Notes on the existence of a unitary root in the Colombian peso’s series of real exchange rate. Estudios Económicos de El Colegio de México, [S. l.], v. 5, n. 1, p. 157–171, 1990. DOI: 10.24201/ee.v5i1.330. Disponível em: https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/330. Acesso em: 24 apr. 2024.