DE LUCA, G.; PARVEN, S. Gabriel Echeverría (2020). Towards a Systemic Theory of Irregular Migration: Explaining Ecuadorian Irregular Migration in Amsterdam and Madrid. . Migration Letters, London, UK, v. 19, n. 2, p. 247–252, 2022. DOI: 10.33182/ml.v19i2.2002. Disponível em: https://migrationletters.com/ml/article/view/2002. Acesso em: 31 jan. 2023.