Roca, Beltrán, and Emma Martín Díaz. 2020. “Migrant Workers and Labor Activism in the Margins: Worker Centers As an Organizational Field”. Migraciones. Publicación Del Instituto Universitario De Estudios Sobre Migraciones, no. 49 (June): 31-58. https://doi.org/10.14422/mig.i49.y2020.002.